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