Question

Which gas is usually liberated when an acid reacts with a metal?

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Answer 1

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Which gas is usually liberated when an acid reacts with a metal?

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When an acid reacts with metal, a salt and hydrogen gas is formed.

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Answer 2

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Hydrogen gas

In general, acids react with metals to give salt and release hydrogen gas. In general, bases do not react with metals and release hydrogen gas.

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