Question

which gas is evolved when metals reacts with acids how can your confirm​

Answer 1

Answer:

Hydrogen gas is evolved

the gas burns with pop sound

colorless and odourless gas

neutral towards litmus paper

and the gas when burn produces water vapour

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Answer 2

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.