Chemistry, asked by parvd, 1 year ago

state one example of a chemical reaction characterized by the evolution of a gas

Answers

Answered by Shan1111

Zn + H2SO4 -------> ZnSO4 + H2
here,
H2 gas is evolved

Answered by Anonymous

✰Evolution of gas:

When zinc granules react with dilute sulphuric acid in a flask, hydrogen gas evolves and zinc sulphate solution is formed.

✰Additional Information:

Gas evolution reactions are a type of double displacement reaction where one of the products is a gas. ... For example, carbonic acid breaks down to water and carbon dioxide, sulfurous acid breaks down to water and sulfur dioxide, and ammonium hydroxide breaks down to water and ammonia gas.

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