Reacting acids with bases

2 marks · Normal

State the general word equation for the reaction between an acid and a metal oxide.

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metal oxide + acid → salt + water

Also accept: acid + metal oxide → salt + water; metal oxide + acid produces salt and water

Common mistakes: Omitting 'water' as a product; Confusing with reaction of acid with metal

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Marking points

B1 · 1 mark · Correctly identifies reactants (acid and metal oxide).

B2 · 1 mark · Correctly identifies both products (salt and water).

Worked solution

The general word equation for an acid reacting with a metal oxide is:

metal oxide + acid → salt + water