Quiz 5 Flashcards
- Which of the following waste is classified as as halogenated waste?
A. waste containing toluene
B. waste containing dichloromethane
C. waste containing acetone
D. waste containing ammonia
B. waste containing dichloromethane
- Which of the following waste is classified as non-halogenated waste?
A. waste containing acetonitrile
B. waste containing chloroform
C. waste containing polychlorinated hydrocarbons
D. waste containing bromine
A. waste containing acetonitrile
- Which of the following waste is not classified as inorganic waste?
A. waste containing mercury
B. waste containing lead
C. waste containing arsenic
D. waste containing acetonitrile
D. waste containing acetonitrile
- What is the minimum concentration of cyanide contained in a waste to be classified it under A101 (waste containing cyanide) ?
A. 20 ppm
B. 100 ppm
C. 200 ppm
D. 1000 ppm
C. 200 ppm
- According to Revised DAO 04-36, the appropriate waste labels shall include ;
A. volume of waste
B. generator ID number
C. container material
D. all of the above
D. all of the above
- Under Bronsted concept of acids and bases; a base is
A. a proton donor
B. a proton acceptor
C. a hydroxide donor
D. an electron pair donor
B. a proton acceptor
- Under the Lewis concept of acids and bases; an acid is
A. a proton donor
B. a proton acceptor
C. an electron pair donor
D. an electron pair acceptor
D. an electron pair acceptor
- Under the Bronsted concept of acids and bases; an acid is
A. a proton donor
B. a proton acceptor
C. an electron pair donor
D. an electron pair acceptor
A. a proton donor
- Which of the following is NOT an acid - base conjugate pair?
A. HCN and CN -
B. H2O and OH -
C. H2S and OH -
D. NH3 and NH4 +
C. H2S and OH -
- What effect will addition of excess of HCl have on the pH of a solution of HN3?
A. increase the pH
B. decrease the pH
C. no effect
D. cannot tell from information given
B. decrease the pH
- What effect will addition of sodium acetate have on the pH of a solution of acetic acid?
A. increase the pH
B. decrease the pH
C. no effect
D. cannot tell from information given
A. increase the pH
- A solution that cause only a relatively small change in pH upon addition of small amounts of acids and bases is
A. saturated
B. a salt
C. a buffer
D. unsaturasted
C. a buffer
- Which of the following is a buffer?
A. NaCl / NH4Cl
B. NH3 / NH4Cl
C. NH3 / CH3COOH
D. CH3COOH / NaOH
B. NH3 / NH4Cl
- A buffer solution may be a mixture of
A. a weak acid and its salt
B. a weak base and its salt
C. an excess of a weak acid with a strong base
D. all of the above
D. all of the above
- The conjugate base of acetic acid is
A. HCOOH
B. NH3
C. CH3COO -
D. OH –
C. CH3COO -
- The conjugate acid of ammonia is
A. H3O +
B. NH4 +
C. HCOOH
D. OH –
B. NH4 +
- The effect produced by an ion, say from a salt, which is the same ion produced by the dissociation of a weak acid or base is called
A. colloidal effect
B. precipitation effect
C. common ion effect
D. ligand effect
C. common ion effect
- The principle which states that if stress is applied to a system at equilibrium, the equilibrium is shifted in the direction that tends to reduce the stress.
A. Hesienberg uncertainty principle
B. Le Chatelier’s principle
C. Hund’s rule
D. Debye-HUckel principle
B. Le Chatelier’s principle
- Water cannot function as which one of the following?
A. a bronsted acid
B. a bronsted base
C. a lewis acid
D. a lewis base
C. a lewis acid
- HCOOK is a / an
A. acid
B. base
C. salt
D. oxide
C. salt