Question

when we put burning candleb near
mouth of test tube consisting of sufferic
acid & Pieces of magnesium metal, why
does it explode​

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.