Science, asked by brahamdutt1973, 6 months ago

give one example of each A chemical reaction showing evolutions of gasses

Answers

Answered by AyraRathod

Answer:

Zn+H2SO4---- ZnSO4+H2

Answered by Karishmapatil2005

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.

Explanation:

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