Reacting acids with carbonates
2 marks · NormalState the general word equation for the reaction of an acid with a carbonate.
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carbonate + acid → salt + carbon dioxide + water
Also accept: acid + carbonate → salt + water + carbon dioxide
Common mistakes: Omitting water as a product; Mixing up carbon dioxide with oxygen
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Marking points
B1 · 1 mark · Correctly states both reactants: acid and carbonate
B2 · 1 mark · Correctly states all products: salt, water, and carbon dioxide (all required for mark)
Worked solution
The general word equation for the reaction of an acid with a carbonate is: