Question

State one relevant observation in each of the following reactions:

1)Chlorine is passed through potassium bromide solution.

2)Zinc pieces are added to copper sulphate solution.

3)Calcium bicarbonate is heated strongly.

4)Reaction between HCl (g) and NH3 (g)

5) Aqueous solution of zinc sulphate is mixed with a little quantity of sodium hydroxide solution.​

Answer 1

Answer:

refer to the attachment