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Home » When zinc metal is treated with a dilute solution of a strong acid, a gas is evolved, which is utilised in the hydrogenation of oil. Name the gas evolved. Write the chemical equation of the reaction involved and also write a test to detect the gas formed.
When zinc metal is treated with a dilute solution of a strong acid, a gas is evolved, which is utilised in the hydrogenation of oil. Name the gas evolved. Write the chemical equation of the reaction involved and also write a test to detect the gas formed.
Acids, Bases and Salts | CBSE | Chemistry | Class 10 | Exercise 1 | NCERT | Science
When zinc metal is treated with a dilute solution of a strong acid, a gas is evolved, which is utilised in the hydrogenation of oil. Name the gas evolved. Write the chemical equation of the reaction involved and also write a test to detect the gas formed.

When zinc metal is treated with a dilute solution of a strong acid, hydrogen gas is evolved.

Reaction:                                              

    \[\text{Zn+2HCl}\to \text{ZnCl2+H2}\]

Hydrogen gas burns with a popping sound when it is brought near the burning flame. This is the confirmation test to detect the hydrogen gas.

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