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