Question

Formation of barium sulphate and sodium chloride

Answer 1

When barium chloride combines with sodium sulphate in the form of their aqueous solutions, a white precipitate of barium sulphate is formed which is insoluble in water. The reaction also creates sodium chloride, which remains dissolved in water and so cannot be seen. ... So this reaction is a chemical change.

Answer 2

When barium chloride combines withsodium sulphate in the form of their aqueous solutions, a white precipitate of barium sulphate is formed which is insoluble in water. The reaction also creates sodium chloride, which remains dissolved in water and so cannot be seen. ... So this reaction is a chemical change.

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