Question

Which gas is liberated when acid reacts with a metal illustrate with an example how will u find the test for the presence of this gas?

Answer 1

Answer:

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:

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Answer 2

When a metal reacts with acid, Hydrogen gas is liberated.

Eg :- Fe + Hcl -----> FeCl2 + H2.

When you put hydrogen in a glowing splinter, it burns with a pop sound. This is a sure test for the presence of hydrogen gas.

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