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Environmental Chemistry Vocab
Test Description: Vocabulary from Science 9 Environmental Chemistry Unit
Instructions: Answer all questions to get your test result.
1) a chemical with a pH value of less than 7
A
Salt
B
Neutral
C
Acid
D
Base
2) A chemical with a pH value of more than 7
A
Acid
B
Neutral
C
Salt
D
Base
3) rain of snow containing acid compounds from the air
A
Algal bloom
B
Acid base neutralization
C
Acid precipitation
D
Algae
4) When you add water to an acid, the pH...
A
Becomes 7
B
Decreases
C
Stays the Same
D
Increases
5) any material, or form of energy, that will cause harm to a living organism
A
Pollutant
B
Pollution
C
Pollen
D
pH
6) an alteration of the environment producing a condition harmful to living things
A
Pollen
B
pH
C
Pollutant
D
Pollution
7) Which of these is not an organic nutrient?
A
Lipids
B
Minerals
C
Proteins
D
Carbohydrates
8) Which is not a type of pesticide?
A
Herbicide
B
Fungicide
C
Regicide
D
Insecticide
9) A herbicide is used to kill...
A
Herbologists
B
Plants
C
People
D
Bugs
10) DDT is a
A
Insecticide
B
Fungicide
C
Herbicide
D
Regicide
11) The process whereby chemicals accumulate in the tissues of organisms along the food chain
A
Biodegrable
B
Biodiversity
C
Bioaccumulation
D
Biomagnification
12) Lemon juice would have a pH of...
A
7.0
B
14.0
C
None of the above
D
2.0
13) Drain cleaner would have a pH of...
A
14.0
B
None of the above
C
2.0
D
7.0
14) the combining of an acid and a base to produce salt and water
A
acid-base neutralization
B
acidity
C
acid precipitation
D
acid-base mixing
15) the ability of a chemical to cause harm to an organism with only one exposure
A
acute toxicity
B
venomous
C
chronic toxicity
D
toxin
16) 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
toxin
D
venomous
17) the dose of a chemical that will kill 50% of the population to which it is applied
A
LD50
B
ADI50
C
MS50
D
KIN50
*select an answer for all questions
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