air pollution

Question 1

what is the main source of atmospheric pollutants?

Answer 1

combustion of fuels

Question 2

what do most fuels contain?

Answer 2

carbon and/or hydrogen

Question 3

what happens when plenty of oxygen is present?

Answer 3

complete combustion and all fuel is burnt

Question 4

what happens if not enough oxygen is present?

Answer 4

incomplete combustion

Question 5

what is released into the atmosphere upon complete combustion?

Answer 5

solid particles (particulates) and unburned hydrocarbons are released

Question 6

what is released into the atmosphere upon incomplete combustion?

Answer 6

particles of soot and carbon monoxide is released

Question 7

what is the effect of particulates being released on the atmosphere?

Answer 7

global dimming, if inhaled they can damage lungs and cause respiratory problems

Question 8

what is the effect of carbon monoxides being released on the atmosphere?

Answer 8

can bind to haemoglobin and reduce oxygen transportation around the body

Question 9

why is carbon monoxide so dangerous?

Answer 9

it has no colour or smell so it’s hard to detect

Question 10

what is the effect of sulfur dioxide and oxides of nitrogen being released on the atmosphere?

Answer 10

can cause acid rain and can cause respiratory problems if breathed in