Reacting acids with carbonates
1 mark · EasyWrite the word equation that shows what is always formed (other than the salt) when a carbonate reacts with an acid.
Work this out on paper, then compare with the answer and worked solution below. With a free account you can submit written answers for marking.
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carbonate + acid → carbon dioxide + water + salt
Also accept: acid + carbonate → salt + carbon dioxide + water; carbonate + acid → salt + carbon dioxide + water
Common mistakes: Missing water as a product; Missing carbon dioxide as a product; Giving a symbol or chemical equation rather than a word equation
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Marking points
B1 · 1 mark · Correct word equation with all products shown (allow any equivalent order of reactants and products, but must include carbonate, acid, salt, carbon dioxide, water)
Worked solution
The general word equation is:
carbonate + acid → salt + carbon dioxide + water