Environmental Chemistry Vocab Question Preview (ID: 58331)


Vocabulary From Science 9 Environmental Chemistry Unit. TEACHERS: click here for quick copy question ID numbers.

the dose of a chemical that will kill 50% of the population to which it is applied
a) MS50
b) LD50
c) KIN50
d) ADI50

the ability of a chemical to cause harm to an organism only after the chemical accumulates to a specific level after many exposures.
a) chronic toxicity
b) acute toxicity
c) venomous
d) toxin

the ability of a chemical to cause harm to an organism with only one exposure
a) chronic toxicity
b) acute toxicity
c) venomous
d) toxin

Drain cleaner would have a pH of...
a) 2.0
b) 7.0
c) 14.0
d) None of the above

the combining of an acid and a base to produce salt and water
a) acid precipitation
b) acid-base neutralization
c) acidity
d) acid-base mixing

Lemon juice would have a pH of...
a) 2.0
b) 7.0
c) 14.0
d) None of the above

The process whereby chemicals accumulate in the tissues of organisms along the food chain
a) Bioaccumulation
b) Biodiversity
c) Biodegrable
d) Biomagnification

Which is not a type of pesticide?
a) Regicide
b) Herbicide
c) Insecticide
d) Fungicide

A herbicide is used to kill...
a) Bugs
b) Plants
c) People
d) Herbologists

DDT is a
a) Herbicide
b) Insecticide
c) Fungicide
d) Regicide

Which of these is not an organic nutrient?
a) Carbohydrates
b) Proteins
c) Minerals
d) Lipids

When you add water to an acid, the pH...
a) Increases
b) Decreases
c) Stays the Same
d) Becomes 7

an alteration of the environment producing a condition harmful to living things
a) Pollution
b) Pollutant
c) Pollen
d) pH

any material, or form of energy, that will cause harm to a living organism
a) Pollution
b) Pollutant
c) Pollen
d) pH

A chemical with a pH value of more than 7
a) Acid
b) Base
c) Neutral
d) Salt

rain of snow containing acid compounds from the air
a) Algae
b) Acid base neutralization
c) Acid precipitation
d) Algal bloom

a chemical with a pH value of less than 7
a) Acid
b) Base
c) Neutral
d) Salt

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