Question

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Answer 1

Answer:

a) the reaction taking place is a chemical reaction

b) a layer of copper gets deposited on the iron nail which gives the reddish brown coating

c) we can conclude that metals are less reactive than the chemical used in it

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Answer 2

Explanation:

a) the reaction taking place is a chemical reaction

b) a layer of copper gets deposited on the iron nail which gives the reddish brown coating

c) we can conclude that metals are less reactive than the chemical used in it