Q40 of 152 Page 46

What happens when silver nitrate solution is added to sodium chloride solution?

(a) Write the equation for the reaction which takes place.


(b) Name the type of reaction involved.

A white precipitate of Silver chloride is formed along with sodium nitrate solution from a reaction of Silver nitrate solution and Sodium chloride solution.

(a) AgNO3 (aq) + NaCl (aq) AgCl (s)+ NaNO3 (aq)


(b) It is a double displacement reaction.



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38 Write balanced chemical equation with state symbols for the following reaction:

Barium chloride solution reacts with sodium sulphate solution to give insoluble barium sulphate and a solution of sodium chloride.

 39 In the reaction represented by the following equation:


(a) name the substance oxidized


(b) name the substance reduced


(c) name the oxidizing agent


(d) name the reducing agent

 41 What happens when silver chloride is exposed to sunlight? Write a chemical equation for this reaction. Also give one use of such a reaction. 42 What happens when a zinc strip is dipped into a copper sulphate solution ?

(a) Write the equation for the reaction that takes place.


(b) Name the type of reaction involved.