Chemistry, asked by ManAgam6339, 10 months ago

How are the evolution of gas indicated in a chemical reaction

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Answered by swashiniraja50

Answer:

In a chemical reaction, the gas is evolved as product. Most of the gas evolution reactions can be carried out in fume chamber. some chemical reactions are characterized by change in color. Citric acid reacts with potassium permanganate, then the purple colour disappears.

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