Question

which gas is evolved when we heat water at normal condition​

Answer 1

Answer:

Under normal conditions, the first bubbles are mostly nitrogen with oxygen and a bit of argon and carbon dioxide. As you continue heating the water, the molecules gain enough energy to transition from the liquid phase to the gaseous phase. These bubbles are water vapor.

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Answer 2

Answer:

mostly nitrogen and oxygen.... and a bit of argon and carbon dioxide