What is the product obtained when an acid reacts with a metal?
A
Salt + Water
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B
Salt + Chlorine gas
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C
Salt + Carbon Dioxide + Water
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D
Salt + Hydrogen
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Solution
The correct option is D Salt + Hydrogen When an acid reacts with a metal, salt and hydrogen are obtained. For example, copper reacts with hydrochloric acid to give cupric chloride and hydrogen gas. 2HCl(aq)+Cu(s)→CuCl2(aq)+H2(g)