Which gas is usually liberated when an acid reacts with metal? Illustrate with an example ?
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Answered by
11
Answer:
Hydrogen gas
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.
Explanation:
Answered by
3
Answer:
H2
Explanation:
Generally, HE is liberated.
Eg.
Zn+2HCl--->ZnCl2+H2
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