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Identify the type of chemical reaction taking place in each of the following;
a) Barium chloride solution is mixed with coppe

By Eden

Identify the type of chemical reaction taking place in each of the following;
a) Barium chloride solution is mixed with copper sulphate solution and a white
precipitate is observed.
b) On heating copper powder in air in a china dish, the surface of copper turns
black.​

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Eden

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