Atmospheric Pollutants

Question 1

What are atmospheric Pollutants?

Answer 1

Substances that contaminate our air, making it harmful or damaging for human health or the environment

Question 2

What are Pollutants gases?

Answer 2

Water vapour
Carbon dioxide
Sulfur dioxide
Carbon monoxide
Nitrogen oxides
Carbon particulates
Unburnt hydrocarbons

Question 3

Which of the Pollutants are not toxic?

Answer 3

H2O, CO2

Question 4

What are effects of incomplete combustion?

Answer 4

Carbon particulates:
Lead to global dimming (some light reflects out of space - less production of plants)
Can damage the cells in our lungs e.g cancer
Also releases Unburnt hydrocarbons also released

Question 5

How can you prevent Sulfur dioxide formed?

Answer 5

Can be removed from fuels before burning
Acidic SO2 can be neutralised in the waste “flue” (gases at factories or power stations)

Question 6

When does nitrogen and oxygen react?

Answer 6

In car engines (very high temperature)

Question 7

What is chemical formula of nitrogen oxides?

Answer 7

NOx

Question 8

What are effects of nitrogen oxides?

Answer 8

Breathing problems
Acid rain

Question 9

When are Pollutants and Unburnt hydrocarbons released?

Answer 9

Combustion Of fuels, incomplete combustion