Day 1 MRII Flashcards
Which of the following is unsaturated fatty acid?
a: Lauric Acid
b: Myristic Acid
c: Oleic Acid
d: Palmitic Acid
C. Oleic Acid
Ozonolysis of Cyclohexene produces
Adipic Acid
Recording Spectrophotometers sometimes operate with feedback loops that vary the power of the reference beam until it matches the power of the beam through the sample. This mode of operation:
a. Eliminates the need for a continuous source
b. requires two monochromators
c. eliminates the need for non-absorbing solvents
d. makes the detector a null device, with the result that nonlinear response to a radiant power would not be deleterious
d. makes the detector a null device, with the result that nonlinear response to a radiant power would not be deleterious
The amount of chlorine available in water after disinfection is called
Residual Chlorine
Which one of the following is a covalent Oxide?
a. BeO
b. MgO
c. K2O
d. Rb2O
a. BeO
Conductance measurements at infinite dilution will be valid for the determination of difficulty soluble salts at saturation point because
a. They have very low concentrations at their saturation
b. they conduct minimal current
c. at infinite dilution the concentration cannot be achieved
d. they are strong electrolytes
a. they have very low concentrations at their saturation point
Refers to the uptake and translocation of metal contaminants in the soil by plant roots into the above ground portion of the plants
phytoextraction
Which of the following is not an hexose?
a. Ribose
b. Fructose
c. Altrose
d. Mannose
a Ribose
What is the usual relationship between the number of valence electrons and the number of nearest neighbors of a metal atom in a solid metal?
a. The number of valence electron is less than the number nearest neighbors
b. The number of valence electrons is greater than the number of nearest neighbor
c. the number of valence electrons is equal to the number of nearest neighbors
d. number of valence electrons can be less than, greater than, or equal yo the number of nearest neighbors
a. The number of valence electron is less than the number nearest neighbors
Vinylbenzene is also known as
Styrene
KMnO4 is a stronger oxidizing agent than Potassium dichromate
True
What sequence of process must be done to obtain m-nitrotoluene
nitration then alkylation
Microorganisms that use carbon dioxide as their carbon source
Photoautotrophs
Addition of Grignard Reagent to Ketones Results in the formation of ________ Alcohol
dihydric
The reaction of Alkylhalide and an alkoxide to produce ether is called
Williamson Synthesis
The process in petroleum refining that increases the yield of the most useful fraction is
Cracking
The process refining that increases the yield of the most useful fraction is
Cracking
These processes will produce a ketone
Hydration of alkynes, Ozonolysis of alkene, Reduction of Alcohols with NaBH4
Collagen, Enzymes, and Hemoglobin are example of
Protein
Part of the nutrient cycles in which chemical nutrients reside in the soil, water, or air
Environmental Phase
Visible concentrated growth of algae or other aquatic life/plants is called
bloom
The ______ is a global undertaking on global warming and greenhouse gases
Kyoto Protocol
The Compound CFCl3 is used as a/an
Refrigerant
Who is the current DENR Secretary
Maria Antonia Yulo-Loyzaga
The temperature at which a real gas obeys the ideal gas law over an appreciable pressure range
Boyle Temperature
For a face-centered cubic unit cell, each corner contributes ______ lattice points to the unit cell
1/8
the reagent OsO4 in NaHSO4 will yield _______ from a given alkene
diol
From the following functional groups: Alcohol, ester, ether, and carboxylic acid. Which of the following will boil second to the last
Alcohol
Butanol is ______ volatile than diether since it could from stronger IMFA through ________
Less, Hydrogen Bonding
Alkanes would react to electrophilic addition
False
Reaction acetone with methyl magnesium bromide, followed by protonation produces a
Tertiary Alcohol
Which among the following aromatic compounds is more reactive than benzene towards aromatic substitution reactions
Chlorobenzene
Nitrobenzene
Phenyl Ethanoate
Ethyl Benzoate
Phenyl Etanoate
The administrative order issued by DENR includes “navigable waters” as one of its water classification
DAO-2016-08
A Persistent Organic Pollutant included in the initial of the 12 POPs under the stockholm convention that is not considered as a pesticide
Hexachlorobenzene
Trace Metal which causes disintegration of bones or more commonly called itai-itai disease
Cd
Composition of Acid rain
Nitric acid and sulfuric acid
Taurine, a beta amini acid belongs to the acidic group of
-SO2OH
trans-2-pentene and cyclopentane are considered as ________ isomers
constitutional
The Millenium Prize Problem consists of seven problems in mathematics that were stated by the Clay Mathematics Institute. You want to become the second person to solve one of these problems. What is the first Millennium Prize Problem solved?
Poincaré Conjecture
Arrange the following in terms of increasing toxicity
1: Heptachlor
2: Dieldrin
3: DDT
4: As
5: Cr
3,1, 4, 2, 5
Most Abundant element by mass in earth
Iron
Thunderbolts and lighting, very, very frightening me. When lighthing strikes sand, it fuses grains to create small glass-like tube. What is the name of this compound?
Fulgurite
He established the law of constant proportions, proposed the concept of allotropy, discovered cerium and selenium, and the vital force theory
Jöns Jacob Berzelius
The Asian flush that makes a person face red when drinking alcohol is because of the lack of this particular enzyme
Aldehyde dehydrogenase 2
