Chemistry of the Atmosphere AQA GCSE

Why is sulfur often removed from fuels before they are burnt?

• So the fuel produces less soot when it burns

• To reduce the cost of the fuel

• To reduce acid rain

Tags

NGSS.HS-ETS1-3

Which of these is not produced when a fuel undergoes complete combustion?

• Carbon monoxide

• Carbon dioxide

• Water

Which of these is causing the average global temperature to rise?

• An increasing amount of greenhouse gases in the atmosphere

• An increased amount of particulates in the atmosphere from car exhausts

• Large amounts of sulfur dioxide gas being released from burning fuels

Tags

NGSS.HS-ESS3-6

NGSS.HS-ESS2-4

NGSS.HS-ESS3-5

It is difficult for scientists to be certain what the implications of global climate change will be because....

• ..the evidence has not been peer-reviewed

• ..the Earth's climate is very complicated so it is hard to model

• ..media reports are biased

Tags

NGSS.HS-ESS3-6

NGSS.HS-ESS2-4

NGSS.HS-ESS3-5

True or false: nitrogen oxides form when fuels burn slowly at low temperatures

• True

• False

Which of the following is formed mainly from shells and skeletons of marine organisms?

• Limestone

• Coal

• Crude oil

Which of these is not a greenhouse gas?

• Water vapour

• Methane

• Oxygen

Tags

NGSS.HS-ESS2-6

What percent of the Earth's atmosphere is made up of oxygen?

• 78%

• 21%

• Less than 1%

True or false: greenhouse gases in the atmosphere help to keep temperatures on Earth high enough to support life

• True

• False

Which of these gases makes up the smallest proportion of our atmosphere?

• Oxygen

• Nitrogen

• Carbon dioxide