Chemistry
Grade-10
Easy

Question

What do we observe when zinc granules are reacted with sulphuric acid?

  1. Evolution of Hydrogen gas
  2. Evolution of CO2 gas
  3. Evolution of O2 gas
  4. Evolution of water gas

hintHint:

Metals react with acid to give hydrogen gas.

The correct answer is: Evolution of water gas


    Metals react with acid to give hydrogen gas.
    When we pour dil. sulphuric acid on zinc granules, zinc sulphate is formed and hydrogen gas is liberated with an effervescence. On reaction a white color substance zinc sulphate also known as white vitrol is formed.
    Zn + H2SO4 rightwards arrow ZnSO4 + H2

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