Chemistry, asked by TbiaSamishta, 1 year ago

State one example of a chemical reaction characterized by the evolution of a gas.

Answers

Answered by Sidyandex

0

Evolution of gas takes place in the reaction between zinc and dilute sulphuric acid. Reaction is given here:

Zn + H2SO4 ----------------------- ZnSO4 +H2

Metallic zinc reacts with dilute sulphuric acid to produce evolution of hydrogen gas and zinc sulphate which is a solid.

Gas may be collected in a cylinder.

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