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WAZZAP > Quiz 9 > Flashcards

Quiz 9 Flashcards

1
Q
  1. In testing a substance for the presence of glucose, it should be heated with

Benedict’s solution

iodine solution

glycagon

Burrough’s solution

A

Benedict’s solution

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2
Q
  1. As the number of neutrons in the nucleus of an atom increases, the atomic number of the atom

increases

decreases

remains the same

varies with the form of the isotope

A

remains the same

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3
Q
  1. The termed used to denote the deteriorative processes that occur with polymeric materials.

rusting

oxidation

corrosion

degradation

A

degradation

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4
Q
  1. Production of methane from solid waste is a/an

aerobic digestion

anaerobic digestion

aerobic respiration

anaerobic respiration

A

anaerobic digestion

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5
Q
  1. Which of the following will lower the pH of a citric acid solution?

adding acetate ions

adding citric acid

adding citrate ions

adding chloride ions

A

adding citric acid

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6
Q
  1. Which of the following is the strongest acid?

HOCl

HOBr

HOI

Hac

A

HOCl

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7
Q
  1. Of the following which is the strongest acid?

HClO4

HClO

HClO2

HClO3

A

HClO4

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8
Q
  1. The reason that some insects can walk on water is due to

surface tension

adhesive forces

vaporization

capillary action

A

surface tension

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9
Q
  1. Increasing the amount of liquid in a closed container will cause the vapor pressure of the liquid to

increase

decrease

remain the same

depends on the liquid

A

remain the same

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10
Q
  1. Which of the following is an exothermic process?

freezing

subliming

boiling

melting

A

freezing

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11
Q
  1. First ionization energy refers to

removal of an electron from a gas atom

trapping an ion in a lattice structure

energy to form the most probable ion

formation of a -1 anion

A

removal of an electron from a gas atom

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12
Q
  1. What is the molecular formula of silicon oxide?

SiO

Si2O

SiO4

SiO2

A

SiO2

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13
Q
  1. Two metals that each commonly form +1 and +2 ions in solution are

Cu and Hg

Au and Ag

Fe and Cu

Zn and Cd

A

Cu and Hg

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14
Q
  1. Hydroiodic acid contains how many elements?

1

2

3

4

A

2

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15
Q
  1. The common name of the oxide of nitrogen with the formula N2O is

nitrogen dioxide

nitrous oxide

nitric oxide

dinitrogen oxide

A

nitrous oxide

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16
Q
  1. Metallic elements are found where in the periodic table?

in the far left-hand and far right-hand groups

in the left-hand and middle groups

in the middle of the table and Group VIII A

only in Groups IA and IIA

A

in the left-hand and middle groups

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17
Q
  1. Metals have

both high electrical and high thermal conductivity

low cohesive strength and high luster

high electrical but low thermal conductivity

high luster and low ductility

A

both high electrical and high thermal conductivity

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18
Q
  1. Nonmetals are

malleable but not ductile

very reactive with acids

good conductors of electricity

able to form halides, which react with water to form an oxyacid

A

able to form halides, which react with water to form an oxyacid

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19
Q
  1. The halogens

will not react with each other

form strong oxyacids of the formula HOX3

are strong electron donors

form strong covalent bonds wit group IA metals

A

form strong oxyacids of the formula HOX3

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20
Q
  1. An organic compound has an empirical formula of C3H8O. This formula can represent

three alcohols

two alcohols and one ether

one organic acid

two ethers and one alcohol

A

two alcohols and one ether

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21
Q
  1. CH3—CH2—OH is

an aldehyde

an alcohol

an organic acid

a ketone

A

an alcohol

22
Q
  1. CH3—CH= O is

an alcohol

an ester

an alkyne

an aldehyde

A

an aldehyde

23
Q
  1. CH3–C≡N is

an amine

a nitrile

an amide

an azide

A

a nitrile

24
Q
  1. It is a special type of intermolecular attraction that exists between the hydrogen atom in a polar bond (particularly an H-F, H-O or H-N bond) and an unshared electron pair on a nearby small electronegative ion or atom (usually an F, O or N atom on another molecule).

London dispersion force

hydrogen bonding

Van der Waals force

polar bond

A

hydrogen bonding

25
Q
  1. The rise of liquids up very narrow tubes is called

surface tension

capillarity action

viscosity

buoyant force

A

capillarity action

26
Q
  1. Sometimes as we remove heat from a liquid we can temporarily cool it below its freezing point without forming a solid. This phenomenon is called

fusion

supercooling

vaporization

sublimation

A

supercooling

27
Q
  1. The highest temperature at which a substance can exist as liquid is called its

boiling point

melting point

critical temperature

Boyle temperature

A

critical temperature

28
Q
  1. The triple point of water is

0°C, 1 atm

0.0098°C, 4.58 torr

374.4°C, 217.7 atm

-56.4°C, 5.11 atm

A

0.0098°C, 4.58 torr

29
Q
  1. Quartz is

LiO2

SiO2

N2O

S2O3

A

SiO2

30
Q
  1. He coined the word “polymer” to denote molecular substances of high molecular mass formed by the polymerization (joining together) of monomers, molecules with low molecular mass.

Arthur Little

Antoine Lavoiser

Jons Jakob Berzelius

John Dalton

A

Jons Jakob Berzelius

31
Q
  1. A substance that can accept a proton or a proton acceptor.

Arrhenius acid

Arrhenius base

Bronsted acid

Bronsted base

A

Bronsted base

32
Q
  1. If two solutions of identical osmotic pressure are separated by a semipermeable membrane, no osmosis will occur. The two solutions are said to be ____.

saturated

isobaric

polytropic

isotonic

A

isotonic

33
Q
  1. A hydrocarbon derivative in which one or more hydrogen of a parent hydrocarbon have been replaced by a hydroxyl functional group, OH.

carboxylic acid

esters

alcohols

ethers

A

alcohols

34
Q
  1. It is a product of the fermentation of carbohydrates such as sugar and starch.

methanol

ethanol

dimethyl ether

ethanoic acid

A

ethanol

35
Q
  1. Compounds in which two hydrocarbon groups are bonded to one oxygen are called

ethers

esters

phenols

amines

A

ethers

36
Q
  1. Which of the following has no carbonyl group?

aldehydes

ketones

carboxylic acids

ethers

A

ethers

37
Q
  1. It is the scattering of light by colloidal particles.

Brownian movement

Tyndall effect

Corioles effect

Messner effect

A

Tyndall effect

38
Q
  1. A type of colloid in which a liquid is dispersed in a liquid, example, milk.

foam

emulsion

sol

aerosol

A

emulsion

39
Q
  1. A type of colloid in which a liquid/solid is dispersed in a gas, example, fog, smoke.

aerosol

foam

emulsion

sol

A

aerosol

40
Q
  1. A type of colloid in which a gas is dispersed in a liquid, example, whipped cream.

aerosol

foam

emulsio

sol

A

foam

41
Q
  1. It refers to adherence to a surface.

adsorption

absorption

desorption

osmosis

A

adsorption

42
Q
  1. Baking soda is

Na2CO3

CaCO3

Na2CO310H2O

NaHCO3

A

NaHCO3

43
Q
  1. It consist of O-Si-O chains in which the remaining bonding positions on each silicon are occupied by organic groups as CH3.

Boranes

Silicones

Sulfide

Nitrides

A

Silicones

44
Q
  1. Which of the following is an aluminum ore?

sphalerite

amalgam

galena

bauxite

A

bauxite

45
Q
  1. Which of the following radioisotopes is used in treating cancer?

cobalt-60

uranium-233

helium-4

uranium-238

A

cobalt-60

46
Q
  1. Which of the following indicators is yellow in acidic solution and blue in basic solution?

HpH

thymol blue

bromthymol blue

methyl orange

A

bromthymol blue

47
Q
  1. A substance that is capable of acting as either an acid or a base.

buffer

amphoteric

lewis acid

lewis base

A

amphoteric

48
Q
  1. A substance (molecule or ion) that can transfer a proton to another substance.

Arrhenius acid

Arrhenius base

Bronsted acid

Bronsted base

A

Bronsted acid

49
Q
  1. Elements

can be decomposed by chemical means

cannot be decomposed by chemical means

contain two or more atoms chemically combined

commingle two or more substances

A

cannot be decomposed by chemical means

50
Q
  1. Which of the following is NOT true of solids?

true solids have a crystalline structure

they take the shape of the container

the particle vibrate

they have a definite volume

A

they take the shape of the container

WAZZAP (31 decks)

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