Question

Write two displacement rection

Answer 1

Answer:

Displacement reaction:

Displacement reaction is a reaction in a more reative element displaces other less reactive element.

Double displacement reaction:

Double displacement is a reaction in which an exchange of ion take place between two reactant to give new product.

example of displacement reaction is

Zn+H2SO4 reacts and give ZnSO4 + H2.

example of double displacement reaction is

NaCl + AgNO3 reacts and give NaNO3 + AgCl.

Hope so it may help you.

Answer 2

Answer:

→ Electroplating is done to prevent iron objects from rusting.

→ Reaction of iron nails with copper sulphate solution.

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