L4: Pollution

Question 1

List some pollutants

Answer 1

Carbon dioxide, carbon monoxide, carbon pariculates, nitrogen oxides, sulphur dioxide and methane

Question 2

Consequences of carbon dioxide

Answer 2

Global warming and climate change

Question 3

Consequences of carbon monoxide

Answer 3

Toxic and binds to haemoglobin

Question 4

Consequences of carbon particulates

Answer 4

Breathing problems and soot on buildings

Question 5

Cosequences of nitrogen oxides

Answer 5

Acid rain

Question 6

Consequences of sulphur dioxide

Answer 6

Acid rain

Question 7

Why is acid rain a problem?

Answer 7

Because the rain makes soil more acidic, killing crops and kills fish by making lakes acidic

Question 8

How is carbon dioxide formed?

Answer 8

Complete combustion

Question 9

How is carbon monoxide formed?

Answer 9

Incomplete combustion

Question 10

How are carbon particulates formed?

Answer 10

Incomplete combustion

Question 11

How are nitrogen oxides formed?

Answer 11

The nitrogen in the air reacts with oxygen at high temperatures, mostly in car engines

Question 12

How is sulphur dioxide formed?

Answer 12

Fuels with sulphur impurities are burned