Name: Module 4 Quiz
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Instructions: Multiple Choice and True/False.
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Multiple Choice (1 points)
Question: Biodegradation requires enzymes. These enzymes are produced by
Hydrophilic diets
Mineralizing gradients
Photolysis
Plant and animal cells and microorganisms
Multiple Choice (1 points)
Question: If the log Kow of Toluene is 2.69, and we perform an octanol-water
partitioning experiment and find 1 mg/L of toluene in the water, how much is
in the octanol?
490
269
2690
26900
Multiple Choice (1 points)
Question: The concentration of PCBs in the fat of whales is much greater than
in the fat of the fish they eat. This is an example of
Biomagnification
bioconcentration
bad manners
hydrophilic reactions
Multiple Choice (1 points)
Question: The vapor pressure of n-hexane (at STP) is 1880 Pa. What is the vapor
pressure expresses in torr?
Ans
141
14100
14.1
1.41
True / False (1 points)
Question: A canoe is diffused down a stream.
TRUE
FALSE
True / False (1 points)
Question: Charcoal is good for absorbing organic substances like gasoline
TRUE
FALSE
Question 6 True / False (1 points)
Question: Ions are very hydrophobic.
TRUE
FALSE
True / False (1 points)
Question: Many contaminants become bound to organic material in the soil and
sediments. This makes chemical analysis of these contaminants much easier.
TRUE
FALSE
True / False (1 points)
Question: Organic carbon in soil will keep lipophilic chemicals from binding
to the soil
TRUE
FALSE
True / False (1 points)
Question: Water is a lipophilic substance.
TRUE
FALSE