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Module 4: Environmental chemistry

Total questions: 15

Worksheet time: 30mins

Name
Class
Date
1.

Pollution _________________________.

a)

is harmful materials put into the environment

b)

found in air, water, and land

c)

effects plants, animals, and people

d)

All of the above

2.

Which layer of the atmosphere do we live in?

a)

Troposphere

b)

Stratosphere

c)

Thermosphere

d)

Mesosphere

3.

Gases such as water vapour and carbon dioxide that trap heat near Earth are known as...

a)

Blanket gases

b)

Greenhouse gases

c)

Proxy gases

d)

Warming gases

4.

Which of the following is NOT a greenhouse gas?

a)

CO2

b)

N2

c)

CH4

d)

H2O

5.

Which of the following sets of evidence supports global warming?

a)

CO2 levels rising

b)

Sea Levels rising

c)

Glacier mass decreasing

d)

All of the Above

6.

Acid rain has a pH

a)

less than 5.6

b)

6

c)

7

d)

more than 8

7.

How is acid rain formed?

a)

Carbon monoxide and carbon dioxide mix with water in the ocean.

b)

Carbon dioxide and oxygen mix with water in the air.

c)

Sulfur dioxide and carbon monoxide mix with lake water.

d)

Sulfur dioxide and nitrogen oxide mix with water in the air.

8.

Which of these is a MAJOR cause of acid rain?

a)

spraying pesticides on crops

b)

burning fossil fuels for energy

c)

dumping sewage in river systems

d)

using uranium to generate electricity

9.

Which of these contributes to acid rain?

a)

HCl

b)

NaOH

c)

CaO

d)

SO2

10.

Harmful ultraviolet radiation from the Sun is absorbed by

a)

Clouds

b)

Ozone molecules

c)

Soil

d)

Water

11.

Ozone layer is present in

a)

Troposphere

b)

Stratosphere

c)

Mesosphere

d)

Thermosphere

12.

Chemical responsible for ozone depletion is

a)

CO2

b)

NO2

c)

peroxyacetyl nitrate (PAN)

d)

Chlorofluorocarbons (CFCs)

13.

Which among the following is NOT a particulate pollutant?

a)

Smoke

b)

Smog

c)

CO

d)

Dust

14.

Photochemical smog is also known as

a)

Industrial smog

b)

London smog

c)

Oxidizing smog

d)

Reducing smog

15.

Which among the following is NOT a constituent of photochemical smog?

a)

formaldehyde

b)

acrolein

c)

peroxyacetyl nitrate (PAN)

d)

SO2