Question

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Answer 1

Answer:

Chlorine water is yellow in color and it loses this color when exposed to sunlight. When chlorine water is exposed to sunlight, it produces an odorless and colorless gas called oxygen under STP conditions.

Explanation:

on mixing a solution of barium chloride with sodium sulphate, a white precipitate of barium sulphate is immediately formed. These reactions are ionic in nature. The reactants changes into ions when dissolved in water and there is an exchange of ions in solution.

Answer 2

a) it loses its characteristic light yellow colour and becomes colourless. 

b) a white precipitate of barium sulphate is formed which is insoluble in water. The reaction also creates sodium chloride, which remains dissolved in water.

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