INORGANIC PHARMACEUTICAL CHEMISTRY Flashcards
PACOP (200 cards)
1
Q
The upper oxidizing zone of a nonluminous Bunsen flame consists largely of:
A. Incandescent carbon
B. A mixture of reducing gases and oxygen
C. A large excess of oxygen
D. Nitrogen
E. Unburnt gas
A
C. A large excess of oxygen
2
Q
Less volatile substances may be detected in:
A. Lower oxidizing zone
B. Upper oxidizing zone
C. Upper reducing zone
D. Lower reducing zone
E. Hottest portion of the flame
A
E. Hottest portion of the flame
3
Q
Sb imparts ______ color to the nonluminous Bunsen flame
A. Crimson
B. Yellowish green
C. Green
D. Blue
E. Brick red
A
D. Blue
4
Q
Tl imparts ______ color to the nonluminous Bunsen flame
A. Crimson
B. Yellowish green
C. Green
D. Blue
E. Brick red
A
C. Green
5
Q
In the micro scale of qualitative analysis, the quantity of a substance employed is reduced by a factor of
A. 0.1
B. 1
C. 10
D. 100
E. 1000
A
D. 100
6
Q
A metallic deposit obtained after sublimation may indicate the presence of:
A. Ammonium salts
B. Sulphur
C. Mercury (I) iodide
D. Selenium (IV) oxide
E. Amalgams
A
E. Amalgams
7
Q
A mixture of potassium and sodium chloride will produce _______ color in the flame test.
A. Orange
B. Violet
C. Yellow
D. Red
E. Reddish orange
A
B. Violet
8
Q
In the microcosmic salt bead test, the microcosmic salt _________ is used.
A. Na2B4O7.10H2O
B. Cu(BO2)2
C. Na(NH4)HPO4.4H2O
D. CuSO4.5H2O
E. NOTA
A
C. Na(NH4)HPO4.4H2O
9
Q
A
10
Q
The color of borax bead produced by cerium salts in the oxidizing flame when hot is:
A. Orange red
B. Colorless
C. Yellow
D. Rose-violet
E. Bottle green
A
A. Orange red
11
Q
The upper edge of a filter paper used during filtration should be about ______ cm from the upper rim of the funnel
A. 1 cm
B. 2 cm
C. 3 cm
D. 2/3 cm
E. 0.5 cm
A
A. 1 cm
12
Q
When a precipitate tends to pass through the filter paper, this salt may be added to prevent the formation of colloidal solutions.
A. Sodium chloride
B. Potassium nitrate
C. Lithium chloride
D. Ammonium nitrate
E. NOTA
A
D. Ammonium nitrate
13
Q
Glass apparatus which are particularly greasy may be cleaned with
A. Hot nitric acid
B. Concentrated hydrochloric acid
C. Chromosulphuric acid
D. Perchloric acid
E. Glacial acetic acid
A
C. Chromosulphuric acid
14
Q
The reaction between lead nitrate and hydrogen sulfide will yield
A. A blue solution
B. A colorless solution
C. A white precipitate
D. A yellow precipitate
E. A black precipitate
A
E. A black precipitate
15
Q
This compound is formed when mercury (I) chloride dissolves in aqua regia
A. Mercury (II) amidochloride
B. Mercury (I) amidochloride
C. Mercury (I) nitrate
D. Mercury (II) nitrate
E. Mercury (II) chloride
A
E. Mercury (II) chloride
16
Q
Basic mercury (II) amidoInitrate exists as:
A. A black precipitate
B. A white precipitate
C. A gray precipitate
D. A colorless precipitate
E. Colorless solution
A
B. A white precipitate
17
Q
The reaction between silver nitrate and potassium iodide will produce
A. A black precipitate
B. A white precipitate
C. A gray precipitate
D. A yellow precipitate
E. No precipitate
A
D. A yellow precipitate
18
Q
The reaction between mercury (II) nitrate and excess potassium iodide will produce:
A. A white precipitate of potassium nitrate
B. A black deposit of metallic mercury
C. A red precipitate of mercury (II) iodide
D. A colorless solution containing tetraiodomercurate (II) ions
E. NOTA
A
D. A colorless solution containing tetraiodomercurate (II) ions
19
Q
Purple-colored compounds usually indicate the presence of
A. Dichromates
B. Cobalt salts
C. Permanganates
D. Purple sulfur
E. Sulfides
A
C. Permanganates
20
Q
Devarda’s alloy contains
A. Cu, Al, Zn
B. Cu, Ni
C. Bi, Pb, Sn
D. Ni, Fe, Cr
E. Pb, Sb, Sn
A
A. Cu, Al, Zn
21
Q
A solution that yields a white precipitate with dilute HCl and dissolves in ammonia solution indicates the presence of
A. Pb 2+
B. Hg2+ 2
C. Ag+
D. Hg2+
E. NOTA
A
C. Ag+
22
Q
A solution that yields a white precipitate with excess reagent of ammonium carbonate indicates the presence of
A. Group I cations
B. Group II cations
C. Group III cations
D. Group IV cations
E. Group V cations
A
D. Group IV cations
23
Q
A solution that yields a white precipitate with excess reagent of Na2HPO4 indicates the presence of
A. Mg 2+
B. NH 4+
C. Na+
D. K+
E. NOTA
A
A. Mg 2+
24
Q
The most stable complexes are found by ions of these groups of elements
A. Group VI A
B. Group VII A
C. Group I B
D. Group II B
E. Group VIII
A
E. Group VIII
25
The element that was named from a Greek word which means “acid former”
A. Hydrogen
B. Nitrogen
C. Oxygen
D. Chloride
E. Helium
C. Oxygen
26
Artificial radioactive isotopes emit the following except
A. Alpha particles
B. Beta particles
C. Gamma rays
D. K capture x rays
E. NOTA
A. Alpha particles
27
Emitted when neutrons exceed protons beyond a stable ratio that occurs mainly in the elements of atomic numbers above 63
A. Alpha particles
B. Positron
C. Negatron
D. Cyclotron
E. K capture x rays
C. Negatron
28
The mineral spodumene contains
A. CaMg3(SiO3)4
B. Na3AIF6
C. CaSO4.2H2O
D. LiA([SiO3])2
E. NOTA
D. LiA([SiO3])2
29
Compounds formed when molecules of two different halogens react
A. Interhalogens
B. Intrahalogens
C. Semihalogens
D. Cohalides
E. Reaction is not possible
A. Interhalogens
30
CrCl2 (H2O) 4NO3 is
A. Aqueous chromochloronitrate
B. Hydrated chromodichloronitrate
C. Nitrated chromodichlorohydrate
D. Dichlorotetraaquochromium (III) nitrate
E. Dichlorotetraaquochromium (II) nitrate
D. Dichlorotetraaquochromium (III) nitrate
31
Ethylenediamine is a type of ligand classified as
A. Unidentate
B. Bidentate
C. Hexadentate
D. Tetradentate
E. Pentadentate
B. Bidentate
32
Francium has Z=
A. 37
B. 55
C. 57
D. 87
E. 95
D. 87
33
The most stable diatomic molecule is
A. Oxygen
B. Bromine
C. Nitrogen
D. Fluorine
E. NOTA
C. Nitrogen
34
The bond existing between mercury (II) fluoride is
A. H bond
B. Ionic
C. Covalent
D. Metallic bond
E. NOTA
B. Ionic
35
The most metallic of all halogens is
A. Fluorine
B. Chlorine
C. Bromine
D. Iodine
E. NOTA
D. Iodine
36
If a basic solvent is used, the iodine solution obtained is usually colored
A. Colorless
B. Violet
C. Orange
D. Blue black
E. Black
C. Orange
37
Linus Pauling called this element a superhalogen, probably owing to its high electronegativity value.
A. Fluorine
B. Chlorine
C. Bromine
D. Iodine
E. NOTA
A. Fluorine
38
This principle states that, in a stable complex, there may be no high concentration of negative or positive charge, and that charge will tend to distribute itself over the atoms within a complex in such a way that the net charge on each atom approaches zero.
A. Law of Hess
B. Aufbau Principle
C. Electropositvity principle
D. Electronegativity principle
E. Electroneutrality principle
E. Electroneutrality principle
39
Oxidation of phosphorous with oxygen may yield
A. P4O6
B. P4O10
C. P2O4
D. AOTA
E. NOTA
D. AOTA
40
An element that has an electronegativity of 0.9 on the Pauling scale and an element with a Pauling electronegativity of 3.0 has sufficient difference to form
A. Ionic bonds
B. Covalent bonds
C. Coordinate covalent bonds
D. H bonds
E. NOTA
A. Ionic bonds
41
Calcium Disodium Versenate may be used in the treatment for heavy metal poisoning, primarily that caused by
A. Mercury
B. Arsenic
C. Gold
D. Lead
E. NOTA
D. Lead
42
The only alkali metal that melts above the boiling point of water is
A. Lithium
B. Sodium
C. Potassium
D. Rubidium
E. Cesium
A. Lithium
43
Which alkali metal hydroxide has the highest alkalinity?
A. Lithium hydroxide
B. Sodium hydroxide
C. Potassium hydroxide
D. Rubidium hydroxide
E. Cesium hydroxide
E. Cesium hydroxide
44
All oxides and hydroxides of the coinage metals are freely basic except for
A. Cu2O
B. Ag2O
C. Au2O
D. NOTA
E. AOTA
B. Ag2O
45
The reagent that will precipitate out Group I cations
A. Dilute hydrochloric acid
B. Hydrogen sulphide
C. Ammonium sulphide
D. Ammonium carbonate
E. Sodium biphosphate
A. Dilute hydrochloric acid
46
Which among these acid halides has the highest acidity?
A. HI
B. HBr
C. HCl
D. HF
E. NOTA
A. HI
47
How many percent by weight of HCl does muriatic acid contain?
A. 96-98%
B. 97-99%
C. 10-16%
D. 35-38%
E. 9.5-105%
D. 35-38%
48
A type of water which is sometimes known as purgative water
A. Alkaline water
B. Carbonated water
C. Chalybeate water
D. Lithia water
E. Saline water
E. Saline water
48
The specific gravity of sulphuric acid is
A. 1.18
B. 1.84
C. 1.71
D. 1.14
E. NOTA
B. 1.84
49
A type of water that contains iron in solution or suspension and are characterized by a ferruginous taste
A. Alkaline water
B. Carbonated water
C. Chalybeate water
D. Lithia water
E. Saline water
C. Chalybeate water
50
Graham’s salt is
A. Sodium sulfate
B. Magnesium sulfate
C. Calcium phosphate
D. Sodium metaphosphate
E. Ammonium bicarbonate
D. Sodium metaphosphate
51
Parenteral preparations containing bacteriostatic water for injection may be administered through the following routes except:
A. Intravenous
B. Subcutaneous
C. Intramuscular
D. AOTA
E. NOTA
A. Intravenous
52
This element decreases the coefficient of expansion in glass.
A. Potassium
B. Iron
C. Titanium
D. Boron
E. Rare earth metals
D. Boron
53
The black precipitate produced in Marsh’s test is
A. Lead
B. Arsenic
C. Silver
D. Hydrogen sulfide
E. Cadmium
C. Silver
54
Element that predominates in the plasma and interstitial fluids
A. Sodium
B. Potassium
C. Magnesium
D. Calcium
E. Iron
A. Sodium
55
Softening both temporary and permanent hard water may be achieved through:
A. Boiling
B. Clark’s lime process
C. Demineralization
D. Addition of ammonia
E. NOTA
C. Demineralization
55
The xanthoproteic test make use of this acid
A. Boric acid
B. Hydrochloric acid
C. Nitric acid
D. Sulfuric acid
E. Phosphoric acid
C. Nitric acid
56
Iron compound which has the superior resistance to oxidation upon exposure to air
A. Ferrous fumarate
B. Ferrous gluconate
C. Ferrous sulfate
D. Ferrous oxide
E. NOTA
A. Ferrous fumarate
56
Ringer’s injection contains_____ mEqs of potassium
A. 147 mEq
B. 130 mEq
C. 4 mEq
D. 2.7 mEq
E. NOTA
C. 4 mEq
56
This is used both as a diuretic and in the treatment of chronic acidosis to restore bicarbonate reserve.
A. Sodium bicarbonate
B. Potassium bicarbonate
C. Sodium citrate
D. Sodium lactate
E. Ammonium chloride
C. Sodium citrate
56
The principal anion of the intracellular fluid compartment is
A. Chloride
B. Phosphate
C. Sulfate
D. Bicarbonate
E. Carbonate
B. Phosphate
57
The positive result in Gutzeit’s test is the presence of
A. White precipitate
B. Evolution of colorless gas
C. Black spot in filter paper
D. Effervescence in solution
E. Silver mirror in test tube walls
C. Black spot in filter pape
57
Important component of the protein ceruloplasmin
A. Iron
B. Copper
C. Magnesium
D. Zinc
E. NOTA
B. Copper
58
Marsh test is a test for
A. Cadmium
B. Copper
C. Astatine
D. Arsenic
E. Lead
D. Arsenic
59
Decoloration of fuchsine dye indicates the presence of
A. Phosphates
B. Sulphates
C. Oxides
D. Phosphites
E. Sulphites
E. Sulphites
60
Deficiency of this mineral result to parakeratosis
A. Zinc
B. Iron
C. Copper
D. Magnesium
E. Iodine
A. Zinc
60
Prussian blue is:
A. Fe4[Fe(CN6)]3
B. The same as Turnbull’s blue
C. Iron (III) hexacyanoferrate
D. AOTA
E. NOTA
D. AOTA
61
This metal has the capacity to displace hydrogen in solution
A. Platinum
B. Mercury
C. Tin
D. Bismuth
E. Copper
C. Tin
62
These salts may contain two different cations combined with a single anion or may contain a single cation combine with two or more anions.
A. Normal salts
B. Hydrogen salts
C. Mixed salts
D. Double salts
E. NOTA
C. Mixed salts
63
Temporary hardness of water is usually caused by the presence of:
A. Sodium bicarbonate
B. Sodium carbonate
C. Calcium sulfate
D. Magnesium carbonate
E. Potassium sulfate
D. Magnesium carbonate
63
The element found in human bodies that is an important constituent of xanthine oxidase and aldehyde oxidase.
A. Iodine
B. Zinc
C. Molybdenum
D. Selenium
E. Copper
C. Molybdenum
64
Defacqz reaction is used to test for:
A. Molybdenum
B. Tungsten
C. Thallium
D. Gallium
E. Gold
B. Tungsten
65
Turnbull’s blue is
A. Fe3[Fe(CN)6]12
B. Iron (II) hexacyanoferrate
C. The same as prussian blue
D. AOTA
E. NOTA
C. The same as prussian blue
65
This system of inorganic nomenclature cites the charge on a complex ion rather than the oxidation state of the central unit.
A. Stock system
B. Ewens-Bassett System
C. Classical System
D. Modern System
E. AOTA
B. Ewens-Bassett System
66
A precipitate may result in an unknown solution upon the addition of hydrogen sulphide if this action is present:
A. Ag+
B. As5+
C. Fe2+
D. Fe3+
E. Li+
B. As5+
67
Being a bridge element, the behaviour of this element and its compound is often different that of the other members of the Group I family.
A. Lithium
B. Sodium
C. Ammonium
D. Rubidium
E. Cesium
A. Lithium
68
The most chemically active among the members in Group II A
A. Magnesium
B. Beryllium
C. Calcium
D. Strontium
E. Barium
E. Barium
69
The best expectorant is
A. KI syrup
B. NH4Cl solution
C. HI solution
D. H2O vapor
E. NOTA
D. H2O vapor
70
The second most abundant element on earth
A. Oxygen
B. Nitrogen
C. Aluminum
D. Silicon
E. Hydrogen
D. Silicon
71
This is the product when a base like sodium carbonate is fused with pure silica.
A. Smectite
B. Talc
C. Silanes
D. Glass
E. Pumice
D. Glass
72
Fatal bends in deep sea divers are caused by gaseous_____ in the blood
A. Carbon monoxide
B. Hydrogen
C. Helium
D. Pure oxygen
E. Nitrogen
E. Nitrogen
72
The most stable allotropic form of sulphur at room temperature
A. α- sulfur
B. β- sulfur
C. Г-sulfur
D. NOTA
E. AOTA
A. α- sulfur
73
One hundred volumes of hydrogen peroxide is equal to
A. 3%
B. 6%
C. 30%
D. 70%
E. 100%
C. 30%
74
Compounds which are capable of interfering with the passage of X rays are used as
A. Enema
B. Chemotherapeutic agents
C. Radiopaques
D. Radioisotopes
E. NOTA
C. Radiopaques
75
Iron oxides are usually used as
A. Astringents
B. Topical protectives
C. Laxatives
D. Pigments
E. Buffers
C. Laxatives
76
Potassium alum is an example of a
A. Normal salt
B. Hydrogen salt
C. Mixed salt
D. Double salt
E. NOTA
D. Double salt
76
A green precipitate that results after a solution was neutralized with ammonia solution and after the addition of ammonium sulphide indicates the presence of:
A. Al3+
B. Mn2+
C. Cr3+
D. Co2+
E. Ni2+
C. Cr3+
77
This metal will not react with acids to produce hydrogen
A. Potassium
B. Aluminum
C. Bismuth
D. Strontium
E. Lead
C. Bismuth
78
The only route of administration approved in administering Iron Dextran Injection
A. Intravenous
B. Intramuscular
C. Subcutaneous
D. Intra arterial
E. Intradermal
B. Intramuscular
78
Aromatic Ammonia Spirit, USP must be stored in
A. PET bottles
B. Rubber containers
C. PVC containers
D. Amber bottles
E. Clear glass containers
D. Amber bottles
79
The softest mineral known is:
A. Mg5(Si8O20)(OH)2.8H2O
B. Mg3(OH)2Si4O10
C. [Al4(OH)6][Si4O10)(OH2)]
D. CaAl2Si4O12.6H2O
E. NOTA
B. Mg3(OH)2Si4O10
80
A white precipitate after the addition of excess ammonium carbonate indicates the presence of
A. Group I cations
B. Group II cations
C. Group III cations
D. Group IV cations
E. Group V cations
D. Group IV cations
81
An example of an efflorescent substance is
A. Epsom salt
B. Glauber’s salt
C. Blue vitriol
D. AOTA
E. NOTA
D. AOTA
81
The oxidation state of sulphur that gives rise to sulphuric cid
A. -1
B. -2
C. +2
D. -3
E. +6
E. +6
81
Used as bone replacement for temporary braces of long bones and to close openings in the skull
A. Plaster of Paris
B. Zinc-eugenol cement
C. Silver
D. Tantalum
E. Adamantium
C. Silver
81
A basic or “sub” salt is prepared by
A. Partial hydrolysis of a normal salt
B. Partial neutralization of a hydroxide
C. Partial reaction with a base
D. A and B
E. B and C
D. A and B
82
The following elements belongs to Period III of the periodic table except for:
A. Boron
B. Magnesium
C. Sulfur
D. Silicon
E. NOTA
A. Boron
82
Treatment with gold has been used in the following conditions except:
A. Rheumatoid arthritis
B. Disseminated lupus
C. Nondisseminated lupus erythematosus
D. AOTA
E. NOTA
B. Disseminated lupus
83
Metallic mercury is soluble in the following acids except
A. Hot H2SO4
B. HI
C. HCl
D. Cold HNO3
E. NOTA
C. HCl
84
A solution prepared from the complex compound produced when mercuric iodide reacts with potassium iodide is known as:
A. Benedict’s reagent
B. Valser’s reagent
C. Bordeaux mixture
D. Nessler’s reagent
E. Fehling’s reagent
B. Valser’s reagent
85
Burrow’s solution contains
A. Aluminum acetate
B. Lead subacetate
C. Magnesium hydroxide
D. AOTA
E. NOTA
A. Aluminum acetate
85
Native colloidal, hydrated silicate is also known as:
A. Kaolin
B. Talc
C. Bentonite
D. Silane
E. Siliceous earth
C. Bentonite
86
Purple of Cassius consists of
A. Metallic gold
B. Colloidal gold
C. Tin chloride
D. Metallic tin
E. NOTA
B. Colloidal gold
87
A cofactor for phosphate transferring enzymes and also a constituent of bones and teeth
A. Magnesium
B. Iron
C. Calcium
D. Copper
E. Zinc
A. Magnesium
87
Aluminum silicates that contain impurities of calcium, magnesium, iron oxides, fragments of quartz etc. is known as ________
A. Bentonite
B. Montmorillonite
C. Kaolin
D. Attapulgite
E. Clay
E. Clay
87
The metal of Masynoeci is also more commonly known as
A. Wood’s alloy
B. Devarda’s alloy
C. Brass
D. Bronze
E. NOTA
C. Brass
88
The purest native form of uncombined carbon is
A. Coal
B. Charcoal
C. Diamond
D. Graphite
E. AOTA
C. Diamond
88
This aluminum magnesium silicate, also known as floridin, is a low plasticity, clay-like material which, when heated, exhibits an increase in its adsorptive properties.
A. Kaolin
B. Bentonite
C. Talc
D. Fuller’s earth
E. Pumice
D. Fuller’s earth
88
The following are the known uses of sodium hypochlorite solution except:
A. Disinfectant
B. Antiseptic
C. Oxidizing agent
D. Bleaching agent
E. AOTA
B. Antiseptic
89
What is formed when ozone dissolves and unites with the double bonds of substances such as oil of turpentine, oil of cinnamon and olive oil?
A. Peroxides
B. Ozonides
C. Oxidized oils
D. Dehydrogenated oils
E. NOTA
B. Ozonides
89
Corrosive sublimate is:
A. Ammoniated mercury
B. Mercury bichloride
C. Mercurous chloride
D. Potassium hydroxide
E. NOTA
B. Mercury bichloride
90
The only Group V cation that will yield a precipitate with sodium biphosphate
A. Li+
B. Na+
C. K+
D. NH4+
E. Mg2+
E. Mg2+
91
Water (as molecules) associated with cations and/or anions of salt in solution or in crystals.
A. Coordinated water
B. Zeolytic water
C. Lattice water
D. AOTA
E. NOTA
A. Coordinated water
92
Rinman’s green is
A. Zinc acetate
B. Cobalt zincate
C. Copper acetoarsenate
D. Potassium ferrocyanide
E. NOTA
B. Cobalt zincate
93
In testing for the presence of reducing sugars in a diabetic urine, 0.1% concentration of such sugars will produce ______ with the Fehling’s solution.
A. Brick red precipitate
B. White precipitate
C. Colorless solution
D. Bluish-green solution
E. NOTA
D. Bluish-green solution
94
Solution 2 of the Fehling’s reagent contains the:
A. Cupric sulfate
B. Reducing agent
C. Sequestering agent
D. AOTA
E. NOTA
C. Sequestering agent
95
Which of the following metals are placed higher than hydrogen in the electromotive series of metals?
A. Barium
B. Strontium
C. Nickel
D. AOTA
E. NOTA
D. AOTA
96
Complexes of iodine with carrier organic molecules serving as solubilizing agent to liberate iodine in solution.
A. Iodates
B. Starch-iodoform
C. Iodophor
C. Iodophor
97
What is the color of the precipitate produced when mercuric salts are treated with sodium hydroxide TS?
A. Yellow
B. Scarlet
C. White
D. Black
E. No precipitate
A. Yellow
97
The oxidation state of oxygen in the peroxide ion is
A. 0
B. -1
C. -2
D. +2
E. NOTA
B. -1
98
A procedure that employs gamma emitting isotopes and focused radiation directly on the area under treatment
A. Teletherapy
B. Implantation therapy
C. Contact therapy
D. AOTA
E. NOTA
A. Teletherapy
98
Vogel reaction is used to test for:
A. Nickel ions
B. Ferrous ions
C. Cobaltous ions
D. Ammonium ions
E. NOTA
C. Cobaltous ions
99
Why is it important to give a patient Lugol’s solution at least 24 hours before the administration of radioactive iodine?
A. To saturate the thyroid gland with iodine
B. To prevent iodine depletion
C. To prevent the uptake of radioactivity
D. A and B
E. A and C
E. A and C
100
Which of the following commercial preparations contain potassium iodide and is indicated for goiter prophylaxis in iodine deficiency?
A. Eltroxin ®
B. Iodine ®
C. Jodid ®
D. Neo mercazole ®
E. Thyrax ®
C. Jodid ®
100
A useful diagnostic agent in determining renal function is:
A. Iodinated I 125 Serum Albumin
B. Sodium Iodohippurate I 131
C. Sodium Rose Bengal I 131
D. Ferric chloride Fe 59
E. NOTA
B. Sodium Iodohippurate I 131
100
Which is false from these statements?
A. Metallic properties of elements generally decrease in a given period as atomic number increases
B. Ionization energy increases as the atomic number increases
C. Electronegativity of the elements increases from left to right across any period and from bottom to top in any group (except VIIIA)
D. NOTA
E. AOTA
B. Ionization energy increases as the atomic number increases
100
In the Griess-Ilosvay test, diazotization of sulphanilic acid is affected by _____ acid, followed by coupling with 1-naphthylamine reagent to form the red azo dye.
A. Sulphuric acid
B. Hypochlorous acid
C. Nitrous acid
D. Nitric acid
E. Glacial acetic acid
C. Nitrous acid
100
The quantitative Benedict’s solution contains all of the following except:
A. Cupric sulfate
B. Sodium citrate
C. Potassium thiocyanate
D. Potassium ferrocyanide
E. Sodium carbonate
E. Sodium carbonate
101
Which reagent may be used to differentiate mercurous salts from mercuric salts?
A. Sodium hydroxide TS
B. Copper foil
C. Hydrogen sulfide
D. AOTA
E. NOTA
A. Sodium hydroxide TS
102
An entity providing a pair of electrons in a coordinate covalent bond is termed as
A. Acceptor species
B. Electron provider
C. Donor species
D. Acid
E. Base
C. Donor species
103
These metals react vigorously with water to form hydrogen gas and metallic hydroxides
A. Alkali metals
B. Alkaline earth metals
C. Coinage metals
D. Rare earth metals
E. AOTA
A. Alkali metals
103
All the other nitrates are soluble in the water except for ______ which is only sparingly soluble in water.
A. Mercuric nitrite
B. Sodium nitrite
C. Ammonium nitrite
D. Silver nitrite
E. Mercurous nitrite
D. Silver nitrite
103
All of the members of the family of these metals form complex cations with ammonia
A. Alkali metals
B. Alkaline earth metals
C. Coinage metals
D. Rare earth metals
E. AOTA
C. Coinage metals
104
This group of element hydroxides in aqueous solutions has the greatest alkalinity in nature with alkalinity increasing as the ionic radius increases.
A. Group IA
B. Group IB
C. Group IIA
D. Group IIB
E. Group IIIA
A. Group IA
104
All Group IA elements have increasing oxidation potentials except:
A. Cesium
B. Rubidium
C. Potassium
D. Sodium
E. Lithium
E. Lithium
105
The following are the advantages of using Benedict’s solution over Fehling’s solution except:
A. Benedict’s solution is less alkaline than Fehling’s solution
B. The citrate solution in Benedict’s reagent is a better sequestering agent
C. Benedict’s solution is more stable than Fehling’s solution
D. NOTA
E. AOTA
E. AOTA
106
Thenard’s blue is chemically known as:
A. Aluminum carbonate
B. Sodium cobaltncobalt nitrateitarate
C. Cupric sulfate
D. Cobalt meta-aluminate
E. NOTA
D. Cobalt meta-aluminate
106
This is also known as White Precipitate
A. Zinc sulfide
B. Ammoniated mercury
C. Calomel
D. Zinc oxide
E. Ammonium carbonate
B. Ammoniated mercury
106
This group of elements have an additional ten electrons, giving it a “pseudo- inert gas” or an 18- electron structure.
A. Group IA
B. Group IIA
C. Group IB
D. Group IIB
E. NOTA
D. Group IIB
106
All alkaline earth metals reduce water with the liberation of hydrogen and the formation of an alkaline solution except:
A. Be
B. Ca
C. Sr
D. Ba
E. Ra
A. Be
107
Hydroxides of this group of elements tend to show amphoteric properties except those at the top and the bottom elements of this group.
A. Group IA
B. Group IIA
C. Group IIIA
D. Group IVA
E. Group IVB
C. Group IIIA
108
This group of elements predominantly exhibit covalent bonding, owing to the small size and high charge on the tetravalent ions.
A. Group IA
B. Group IIA
C. Group IIIA
D. Group IVA
E. Group IVB
D. Group IVA
108
What is the relationship between the oxidation number and acidity of the oxyacids of a given element in the case of the elements in Group VI?
A. Directly proportional
B. Inversely proportional
C. Acidity and oxidation number has no relation at all
D. NOTA
E. AOTA
A. Directly proportional
109
The strongest acid among the members of the halogen family is
A. HF
B. HCl
C. HBr
D. HI
E. HNO3
D. HI
110
An oxyacid of the halogen with the formula HOXO is appropriately named as
A. Hypohalous acid
B. Halous acid
C. Halic acid
D. Perhalic acid
E. NOTA
B. Halous acid
111
This group of elements are the most stable to any kind of chemical reaction.
A. Group IA
B. Group IB
C. Group VIIA
D. Group VIIIA
E. NOTA
D. Group VIIIA
111
If oxidizing impurities are rigidly excluded, all alkali metals in this group will dissolve in ammonia to form a blue solution, which, if evaporated, will recover the uncharged metal eventually.
A. Group IA
B. Group IIA
C. Group IB
D. Group IIB
E. Group IIIA
A. Group IA
111
According to this principle, hard acids are electron acceptors with high positive charges and relatively small sizes while soft acids have low positive charges and relatively large sizes.
A. Lewis Acid and Base Principle
B. Bronsted-Lowry Principle
C. Arrhenius Principle
D. Pearson’s HSAB Principle
E. NOTA
D. Pearson’s HSAB Principle
111
Heating boric acid to temperature s over 160°C will produce
A. Metaboric acid
B. Pyroboric acid
C. Boron trioxide
D. Tetraboric acid
E. Sodium perborate
C. Boron trioxide
112
This group of elements are the first elements large enough to permit the addition of electrons to the d orbital, beginning with the third principal quantum number.
A. Group IB
B. Group IIB
C. Group IIIB
D. Group IVB
E. Group VB
C. Group IIIB
112
Nitric acid, NF 30 is an aqueous solution containing:
A. Not less than 36.5% and not more than 38% by weight of HNO3
B. Not less than 69% and not more than 71% by weight of HNO3
C. Not less than 85% and not more than 88% by weight of HNO3
D. Not less than 94% and not more than 98% by weight of HNO3
E. Not less than 27% and not more than 30% by weight of HNO3
B. Not less than 69% and not more than 71% by weight of HNO3
113
This mixture is used for its ability to absorb CO2 from expired air in metabolic function test.
A. Slaked Lime C. AOTA
B. Soda Lime D. NOTA
B. Soda Lime
114
Each element in this group has a core with an outer shell of 18 electrons, together with a single valence electron in the outermost shell.
A. Group 1A D. Group IIB
B. Group IB E. Group IIIA
C. Group IIA
B. Group IB
114
Sal soda or washing soda has the formula
A. NaHCO3
B. Na2CO3
C. Na2CO3. H2O
D. Na2CO3. 7 H2O
E. Na2CO3. 10 H2O
E. Na2CO3. 10 H2O
115
This buffer system is useful at alkaline pH and can be used in ophthalmic solutions, contact lens solution and as solvent for soluble fluorescein.
A. Sorensen phosphate buffer
B. Atkins and Pantin buffer
C. Feldman’s buffer
D. Gifford’s buffer
E. NOTA
B. Atkins and Pantin buffer
115
When combined with oxygen or in the form of their oxygen salts, the halogens have ___ valence/s.
A. one D. A and B
B. negative E. B and C
C. greater than one
C. greater than one
116
Addition of Barium chloride solution to solutions containing nitrites will produce
A. Evolution of gas D. Transient pale blue solution
B. Brown precipitate E. No precipitate
C. White crystalline precipitate
E. No precipitate
117
An antioxidant usually found in solutions of drugs with phenol or catechol nucleus ex. Epinephrine HCl to prevent oxidation of these compounds to quinines and similar substances.
A. Sulfur dioxide D. Nitrogen
B. Sodium hyposulfite E. Sodium nitrite
C. Sodium metabisulfite
C. Sodium metabisulfite
117
This is used to provide an inert atmosphere to retard oxidation in cod liver oil, olive oil, and multiple vitamin preparations.
A. Helium D. Carbon dioxide
B. Nitrogen E. NOTA
C. Hydrogen
B. Nitrogen
118
Temporary hard water is caused by the presence in solution of calcium or magnesium ____.
A. sulfates D. chlorides
B. hydroxides E. NOTA
C. bicarbonate
C. bicarbonate
118
Organic mercurial salts were previously used as diuretics and are all administered parenterally except:
A. Meralluride D. Chlormerodrin
B. Sodium mercaptomerin E. NOTA
C. Calomel
D. Chlormerodrin
118
Faulty calcium metabolism defined as a reduced volume of bone tissue per unit volume of anatomical bone and commonly affects postmenopausal women is known as:
A. Osteoporosis D. Hypocalcemia
B. Rickets E. NOTA
C. Paget’s disease
A. Osteoporosis
118
Members of the “heavy platinum metals” include
A. Ruthenium D. Palladium
B. Iridium E. NOTA
C. Rhodium
B. Iridium
119
This element can replace calcium in bone formation and has been used to hasten bone remineralization in diseases such as osteoporosis.
A. Strontium D. Magnesium
B. Barium E. Tantalum
C. Beryllium
A. Strontium
120
This compound has been used in the treatment of Trichomonas vaginalis and Monilia albicans. However, extended use of this product may result to argyria and nephritis.
A. Silver nitrate D. Silver lactate
B. Silver nitrite E. Silver protein
C. Silver trinitrophenolate
C. Silver trinitrophenolate
120
Betadine® antiseptic topical solution contains ____ % of iodine.
A. 0.5-1% D.10%
B. 5% E. NOTA
C. 7.5%
D.10%
121
This sodium salt does not produce systemic alkalosis readily and is antiketogenic. As such, it is thought to be more suitable as an electrolyte replenisher.
A. Sodium bicarbonate D. Sodium tatrate
B. Sodium lactate E. Sodium citrate
C. Sodium gluconate
B. Sodium lactate
121
In the reaction: KMNO4 + 5 HNO2 + 3 H2SO4 3 MnSO4 + 5 HNO3 + K2SO4, the reducing agent is:
A. KMnO4 D. H2O
B. HNO2 E. NOTA
C. H2SO4
B.HNO2
121
Addition of ferric salts to solutions of thiocyanates causes the formation of a blood-red colored solution, which has been variously ascribed to the formation of:
A. Fe (SCN) 3 D. AOTA
B. Fe (SCN) 6 E. NOTA
C. Fe (SCN) ++
D. AOTA
122
Fresh silver stains on skin may be best removed by painting the affected area with
A. Tincture of iodine
B. Sodium thiosulfate
C. Sodium picrate
D. Potassium cyanide
E. NOTA
A. Tincture of iodine
122
Citric acid is added to Milk of Magnesia to
A. prevent oxidation D. A and B
B. enhance palatability E. B and C
C. minimize alkalinity
E. B and C
123
KNaC4H4O6. 4 H2O is also known by the following names except:
A. Potassium Sodium tartrate D. Rochelle salt
B. Sal seignette E. NOTA
C. Seidlitz powder
E. NOTA
124
This substance gives calamine its pink color.
A. Zinc oxide D. Ferric oxide
B. Ferrous oxide E. NOTA
C. Zinc carbonate
D. Ferric oxide
125
Flash-light powders are mixtures of potassium chlorate or barium peroxide and the powdered form of this element
A. Calcium D. Sulfur
B. Aluminum E. Phosphorus
C. Magnesium
C. Magnesium
125
In the compound sodium manganite, NaMnO3, manganese exhibits a valence of
A. 2 D. 6
B. 3 E. 7
C. 4
C. 4
125
NaF may be stored
A. in dark, glass bottles D. AOTA
B. for one year E. NOTA
C. in cool temperatures
E. NOTA
126
Salt of wormwood is
A. KHCO3 . 4 H2O D. K2HPO4
B. K2CO3 . ½ H2O E. NOTA
C. CH3COOK
B. K2CO3 . ½ H2O
126
The explosive form of antimony is the
A. Metallic form D. Yellow antimony
B. Amorphous form E. Black antimony
C. Crystalline form
B. Amorphous form
127
Fool’s gold is
A. Gold sodium thiomalate D. Ferrous carbonate with shale
B. Auric selenate E. NOTA
C. Iron pyrite
C. Iron pyrite
127
The most desirable form of talc for cosmetics and pharmaceuticals
A. amorphous D. steatite
B. foliated E. granular
C. fibrous
B. foliated
127
Quilonium-R® is also
A. Lithium bromide D. Lithium bicarbonate
B. Lithium chloride E. Lithium hydroxide
C. Lithium carbonate
C. Lithium carbonate
127
The following elements exhibit amphoteric property except
A. Aluminum D. Lead
B. Tin E. NOTA
C. Zinc
E. NOTA
127
In a weakly acidic medium, the reaction between this metal and stannous chloride will produce a purple precipitate commonly known as Purple of Cassius
A. Tin D. Gold
B. Silver E. Lead
C. Mercury
D. Gold
128
A native form of calcium carbonate that has been freed from most of its impurities through elutriation.
A. Drop chalk D. Lime
B. Precipitated chalk E. NOTA
C. Muriate of Lime
A. Drop chalk
128
A property of some substances to lose water molecules from a crystalline structure.
A. Dehydration D. Efflorescence
B. Hygroscopic property E. NOTA
C. Deliquescence
D. Efflorescence
128
This compound is said to be the recommended calcium salt as electrolyte replenisher because it provides an optimum ratio of 1:1 calcium to phosphorus.
A. Calcium lactate D. Tribasic calcium phosphate
B. Calcium carbonate E. NOTA
C. Dibasic calcium phosphate
C. Dibasic calcium phosphate
128
The iron salt in this commercial preparation has the advantage of being the least irritating to the GI tract.
A. Feosol® D. Cherifer® capsule
B. Hemobion® E. NOTA
C. Revicon Max®
B. Hemobion®
128
This aluminum magnesium silicate, also known as Floridin, is a low plasticity clay-like material with high water content. It finds its use in the decolorization of oils.
A. Kaolin D. Pumice
B. Bentonite E. NOTA
C. Fuller’s Earth
D. Pumice
129
Nordhausen acid also refers to
A. Diluted hypochloric acid
B. Fuming sulfuric acid
C. Phosphoric acid
D. Muriatic acid
E. Concentrated nitric acid
B. Fuming sulfuric acid
129
Vleminckx’s solution, a mixture prepared by boiling lime and sublime sulfur, is used as
A. cathartic D. emetic
B. scabicide E. irritant
C. antifungal
B. scabicide
129
Fowler’s solution
A. Dilute sodium hypochlorite
B. Copper Acetoarsenate solution
C. Potassium arsenite solution
D. Bromine, tenth-normal solution
E. NOTA
C. Potassium arsenite solution
130
Precipitation of copper salts can be prevented by sequestering agents found in
A. Fehling’s reagent D. AOTA
B. Benedict’s reagent E. NOTA
C. Haine’s reagent
D. AOTA
131
The least abundant of all inert gases
A. Krypton D. Argon
B. Xenon E. Neon
C. Radon
B. Xenon
131
Reduced iron is an odorless, grayish black and very fine powder, which should pass through sieve
A. No. 20 D. No. 80
B. No. 40 E. No. 100
C. No. 60
E. No. 100
132
What is the difference between Iodine Tincture and Iodine solution?
A. the concentration of iodine present
B. AOTA
C. the comparative antiseptic efficiency
D. NOTA
E. the solvent medium used
E. the solvent medium used
132
Nessler’s reagent, an alkaline solution of Potassium tetraiodomercurate (II), is used to detect
A. Arsenic D. Aluminum
B. Ammonia E. Mercury
C. Zinc
B. Ammonia
133
Acalka® is also
A. Sodium chloride D. Magnesium sulfate
B. Calcium carbonate E. Zinc oxide
C. Potassium citrate
C. Potassium citrate
133
The impurity, which is found more frequently in talc, is
A. Zinc oxide D. Magnesium oxide
B. Calcium oxide E. Ferrous oxide
C. Silica
B. Calcium oxide
134
750 mg of Kalium Durules contain an equivalent of ____ mEq of potassium chloride
A. 2.9 D. 9.8
B. 3.8 E. 12.2
C. 6.5
D. 9.8
134
The only single acid to dissolve gold
A. Nitric acid D. A and B
B. Hydrochloric acid E. B and C
C. Selenic acid
C. Selenic acid
