Question

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When we put burning candle near the mouth of test tube consisting sulfric acid &pieces of magnesium metal,why does it explode?​

Answer 1

Answer:

Mg+H2So4---------->MgSo4+H2

Explanation:

in this reaction

hydrogen gas is evolved

so

when candle is brought near to the mouth of test tube hydrogen gas burns explosively in the presence Of air with a pop sound .............

HOPE it HELPS you

Answer 2

Answer:

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Explanation:

When we put a burning candle near the mouth of the test tube consisting ofsulfuric acid and pieces of magnesium metal, it explodes due to the presence of hydrogen gas. Magnesium and sulfuric acid react to give magnesium sulfate and hydrogen gas.