Question

10. Write a chemical formula to represent the action of atmospheric CO2 gas on bleaching powder when left exposed in open. (2 marks)

Answer 1

Heya,

Reaction between atmospheric CO2 gas and bleaching powder when left exposed in open air will be;

CaOCl2 + CO2 –› CaCO3 + Cl2

Bleaching powder when react with carbon dioxide it forms calcium carbonate and release Chlorine gas.

Hope this helps...:)

Answer 2

CaOCl2+CO2 gives rise to CaCO3+Cl2