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Polluting Gases

Total questions: 10

Worksheet time: 4mins

Name
Class
Date
1.

How is carbon dioxide formed?

a)

The complete combustion of fuels

b)

The incomplete combustion of fuels

c)

Impurities in fossil fuels being burned

d)

The conditions in a vehicle engine, causing a reaction with the oxygen from the air.

2.

How is carbon monoxide formed?

a)

The complete combustion of fuels

b)

The incomplete combustion of fuels

c)

Impurities in fossil fuels being burned

d)

The conditions in a vehicle engine, causing a reaction with the oxygen from the air.

3.

How is sulphur dioxide formed?

a)

The complete combustion of fuels

b)

The incomplete combustion of fuels

c)

Impurities in fossil fuels being burned

d)

The conditions in a vehicle engine, causing a reaction with the oxygen from the air.

4.

How are nitrogen oxides formed?

a)

The complete combustion of fuels

b)

The incomplete combustion of fuels

c)

Impurities in fossil fuels being burned

d)

The conditions in a vehicle engine, causing a reaction with the oxygen from the air.

5.

Which of the gases causes the 'Greenhouse Effect'?

a)

carbon dioxide

b)

carbon monoxide

c)

nitrogen oxides

d)

sulphur dioxide

6.

Which of the gases is poisonous for animals (and humans)?

a)

carbon dioxide

b)

carbon monoxide

c)

nitrogen oxides

d)

sulphur dioxide

7.

Which two of the gases cause acid rain?

a)

carbon dioxide

b)

carbon monoxide

c)

nitrogen oxides

d)

sulphur dioxide

8.

Which of the gases can be reduced by using processed coal and oil?

a)

carbon dioxide

b)

carbon monoxide

c)

nitrogen oxides

d)

sulphur dioxide

9.

Which of the gases can be reduced by using catalytic convertors in vehicles?

a)

carbon dioxide

b)

carbon monoxide

c)

nitrogen oxides

d)

sulphur dioxide

10.

Which of the gases' effects can be prevented by keeping rooms well ventilated and having detectors?

a)

carbon dioxide

b)

carbon monoxide

c)

nitrogen oxides

d)

sulphur dioxide