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Question
Write three equations to show that hydrochloric acid acts as an acid.
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Solution
In the following reaction, hydrochloric acid acts as an acid.
Zn + 2HCI → ZnCl2 +H2
CuO + 2HCI → CuCl2 +H2O
FeS + 2HCI → FeCl2 +H2S
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Copper sulphate is treated with dilute hydrochloric acid.
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