Question

when zinc metal is treated with dilute solution of strong acid, a gas is evolved which is utilised in hydrogenation of oil. Name the gas evolved, Write the chemical Reaction involved and also write the test yo detect the gas formed​

Answer 1

Hydrogen

Zn + HCl gives ZnCl2 +H2

Bring a burning candle near the test tube containing hydrogen... It burns with a pop sound

Hope it helps.....

Answer 2

The gas is H2

Zn + HCl = ZnCl2 + H2

The bubbles coming from soap solution due the gas burst with a pop sound candle bought near them..

hope it helps you

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