Multiple choice

Chlorine gas was used earlier for bleaching paper. Nowadays, it is being replaced by

  1. ethanal with suitable catalyst

  2. hydrogen peroxide with suitable catalyst

  3. tetrachloroethene with suitable catalyst

  4. ethene with suitable catalyst

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Chlorine gas was used earlier for bleaching paper. It is being replaced by hydrogen peroxide with suitable catalyst.