Question

How will you test for the gas which is liberated when hydrochloric acid reacts with an active metal?​

Answer 1

Explanation:

Hlw Mate...

Bring a burning matchstick near the gas. It burns with ‘pop’ sound showing that it is hydrogen gas....

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Answer 2

Hey mate here is your answer.

• Hydrogen gas is liberated when an active metal reacts with hydrochloric acid. For testing the presence of hydrogen gas, bring a burning candle near the mouth of the test tube in which the reaction is taking place. If the gas burns with a popping sound, then it can be concluded that it is hydrogen.