Name the gas which is evolved on heating baking soda.

Answer:

When heated, baking soda gradually decomposes to form sodium carbonate, water along with the evolution of carbon dioxide gas.

Baking soda

Baking soda is a white crystalline compound with a slightly salty taste. Its chemical formula is NaHCO3and is generally known as sodium bicarbonate.

Above 60oC, baking soda gradually decomposes into sodium carbonate, water and carbon dioxide.

NaHCO3 → Na2CO+ CO+ H2O

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