Science, asked by nome46, 1 year ago

give an example of a chemical reaction for( a gas is evolved)​

Answers

Answered by HimaniVarshney
4

Answer:

H2So4 + Zn ------> ZnSO4 + H2

Explanation:

when zinc granules react with some dil. sulphuric acid then the reaction evolved the Hydrogen gas, which can detect by bringing a burning splinter near it

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Answered by shivurajput
2

Answer:

H2SO4+Na=Na2S04+H2

Explanation:

when sulphuric acid react with sodium it displaces the sulphuric acid and make sodium sulphate and evolve hydrogen gas.

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