Question 808 of 869 in Inorganic Chemistry

Testing for carbonates (CO3^2-)

1 mark · Easy

State the name of the gas given off when dilute hydrochloric acid is added to a carbonate compound.

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carbon dioxide

Also accept: CO2; carbon dioxide gas

Common mistakes: carbon monoxide; oxygen

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Marking points

B1 · 1 mark · Identifies the correct gas as carbon dioxide (CO2).

Worked solution

The gas produced is carbon dioxide.

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