Question

2 Preparation of saltos
Sodium Hydroxide. b) Bleaching powdes,
Plaster of Paris, e) Baking sodas​

Answer 1

Answer:

1. sodium hydroxide

sodium chloride+ water ----------- sodium hydroxide

NaCl + H2O---------- NaOH

2.Bleaching powder

Cao +,Cl2 ------CaOCl2

Calcium oxide+chlorine------- bleaching powder

3.Baking soda

Na2Co3+ H2O+ Co2------------NaHCo3