Question

when we put burning candle near the mouth of test tube consisting of sulfuric acid and acid pieces of magnesium metal , why does it explore​

Answer 1

Explanation:

When sodium carbonate reacts with sulphuric acid, it produces carbon dioxide gas with effervescence.

Carbon dioxide is used as fire extinguisher.

Hence, it extinguishes a burning candle.

Therefore, the metal compound A is sodium carbonate.

Na

2

CO

3

+H

2

SO

4

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→Na

2

SO

4

+CO

2

+H

2

O