Question

13.Write the chemical equation for the preparation of
(a) Bleaching powder
(b) Plaster of Paris
(c) Caustic soda
(1) Write two observations when lead nitrate is heated in a test tube.
(ii) Name the type of reaction.
(iii) Write a balanced chemical equation to represent the above reaction



This is 3 mark queston answer. Brifly​

Answer 1

Answer:

Can(OH)2+Cl2-CaOCl2+h2o.

Caso4.1/2 h20.

The emission of brown fumes.These fumes are of nitrogen dioxide (No2).