Q33 of 61 Page 4

Why do some metals replace the other metals from their solutions?

Because of the difference in the reactivity, some metals replace the less reactive metals. More reactive metal replaces the less reactive metal from its solution.

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31 What would you observe when a strip of zinc is dipped in the solution of copper sulphate? 32 Can copper displace iron from iron sulphate solution? Give reason 34 Name a metal that replaces silver from silver nitrate solution. Give its equation and reason also. 35 Why is tincture iodine applied on wounds?