Question

what happen when dilute hydrochloric acid is added to a.bleaching powder b. baking soda

Answer 1

What happen when dilute hydrochloric acid is added to bleaching powder?

bleaching powder will react with it and form calcium chloride, water and chlorine gas..

CaOCl2 + 2HCl + CaCl2 + H2O + Cl2

What happen when dilute hydrochloric acid is added to baking soda?

baking soda will reacts with HCl to form sodium chloride, water and carbon dioxide. 

NaHCO3 + HCl = NaCl + H2O + CO2

thanks 

Answer 2

Answer:(i) CaOCl2+2HCl--->CaCl2+Cl2+H2O

(ii)NaHCO3+HCl---->NaCl+H2O+CO2

Explanation:

(i)when bleaching powder reacts with dilute hydrochloric acid to give chlorine gas, water and calcium chloride.

(ii) Baking soda reacts with HCl to form sodium chloride, water and carbon dioxide.