Question

las acidic nature.
When We put burning Candle near the mouth of test tube amsisiting
of selfegric acid & preces of magnesium metal , why does it
explode
and when we put ourning candle new, the mouth of test​

Answer 1

Answer:

When we put a burning candle near the mouth of the test tube consisting of sulfuric 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.