1.

Which of the following reaction is precipitation reaction?

A. Calcium carbonate → calcium oxide + Carbon dioxide
B. Sodium sulphate + Barium chloride → Barium sulphate + Sodium chloride
C. Lead + Copper chloride → Lead chloride + Copper
D. Methane + Oxygen → Carbon dioxide + Water
Answer» C. Lead + Copper chloride → Lead chloride + Copper


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