How can you that hydrogen gas is evolved during the reaction of metal and acid
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Upon bringing a lighted match near where the gas is being liberated, it is observed that the light is put off with a pop sound. This is one of the characteristics of Hydrogen gas.
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Acids and Bases React with Metals. Acids react with most metals to form a salt and hydrogen gas. ... For example, zinc metal reacts with hydrochloric acid producing zinc chloride and hydrogen gas
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