Question

What happens when sodium carbonate is heated?

Answer 1

When sodium carbonate is heated then it decomposes to form sodium oxide and evolve carbon dioxide gas:

Na2CO3------> Na2O+ CO2

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Answer 2

When sodium carbonate is heated then its decomposes into sodium oxide and carbon dioxide.

Explanation:

It is known that when a single compound breaks down into two or more different substances then this type of reaction is known as decomposition reaction.

When we heat sodium carbonate then this compound tends to break down into two different substances. The reaction equation for this type of reaction is as follows.

       $Na_{2}CO_{3} \rightarrow Na_{2}O + CO_{2}$

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