Balance the chemical equation by including the physical states of the substances for the following reactions.

a) Barium chloride and sodium sulphate aqueous solutions react to give insoluble Barium sulphate and an aqueous solution of sodium chloride.

b) Sodium hydroxide reacts with hydrochloric acid to produce sodium chloride and water.

c) Zinc pieces react with dilute hydrochloric acid to liberate hydrogen gas and forms zinc chloride

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Solution

a) $B a C l_{2} (a q) + N a_{2} S O_{4} (a q) ⟶ B a S O_{4} (s) + 2 N a C l (a q)$

The solution of barium chloride and sodium sulphate in water react to give insoluble barium sulphate and the solution of sodium chloride.

b) $N a O H (a q) + H C l (a q) ⟶ N a C l (a q) + H_{2} O (l)$

Sodium hydroxide reacts with hydrochloric acid to give solution of sodium chloride and water.

c) $Z n (s) + 2 H C l (a q) ⟶ Z n C l_{2} (a q) + H_{2} (g)$

Zinc pieces react with dilute hydrochloric acid to liberate hydrogen gas and zinc chloride.

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Similar questions

Write a balanced chemical equation with state symbols for the following reactions.

(i) Solutions of barium chloride and sodium sulphate in water react to give insoluble barium sulphate and the solution of sodium chloride.

(ii) Sodium hydroxide solution (in water) reacts with hydrochloric acid solution (in water) to produce sodium chloride solution and water.

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