Question

3. When we put burning candle near the mouth of test tube consisting of sulfuric acid &
pieces of magnesium metal, why does it explode?
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Answer 1

Answer:

the reaction of sulphuric acid and Magnesium metal is as follows:

Mg + H2SO4 → MgSO4 + H2

-Hydrogen gas is evolved from the test tube in this reaction.

- When we bring the candle near the mouth of the test tube, this hydrogen gas burns explosively in the presence of air with a pop sound.

Answer 2

Answer:

hope it will help u