Question

how will you test for a gas which is liberated when hcl reacts with an active metal​

Answer 1

ANSWER

When hydrochloric acid reacts with metals, it produces hydrogen gas.When a match stick lightened placed near hydrogen gas puts out with a pop sound.

Answer 2

Hey Mate ✌✌

Here is your answer...

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Hydrogen gas is produced when an active metal reacts with dilute hydrochloric acid, when a burning candle is brought near to hydrogen gas, a pop sound is heard due to the combustion of hydrogen to from water.

2H2(g) + O2(g) → 2H2O(g)

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