Question

When we put burung candle near the mouth of test tube consulting of sulfuric acid & pieces of magnesium metal, why does it explode?

Answer 1

Answer:

Obviously, it will.

Because when you add Mg to H₂so₄, displacement reaction will take place evolving Hydrogen gas and I do not need to tell more about Hydrogen, how explosive it is.

The reaction is given in the answer below.

Note:Small amount of Hydrogen burns with pop sound and large amount will boom..

Answer 2

Explanation:

The reaction of sulphuric acid and magnesium metal is follows :

MG + H2SO4 ➡️ SO4 + H2