Which gas is usually liberated when an acid react with a metal? Illustrate?
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Answered by
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H2
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Hope it helps you....
Answered by
1
Answer:
hydrogen gas
Explanation:
Hydrogen gas is liberated when an acid reacts with a metal. For example, when zinc metal reacts with dil. hydrogen is evolved and salt zinc chloride is formed as: It can be tested by bringing a burning candle near the gas. The candle continues burning with a pop sound.
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