Question 62 of 86 in Gases in the Atmosphere

Carbon dioxide and global warming: the greenhouse effect

1 mark · Easy

Name the gas that is produced when calcium carbonate is heated strongly in the laboratory.

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Carbon dioxide

Also accept: CO2; carbon dioxide; carbon dioxide gas

Common mistakes: Naming wrong gas (e.g. oxygen)

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Marking points

B1 · 1 mark · Correctly names the gas as carbon dioxide (accept 'CO2')

Worked solution

The gas produced is carbon dioxide (CO2).

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