Question

A student took a solution of copper sulphate in a beaker and put a clean iron nail into it and left it for about an hour.
Write a word equation for the chemical change observed.​

Answer 1

Answer:

a) From the given statement, expected changes are given below:

i) Colour turns from blue to green.

ii) A brown colour is found to be deposited on iron nail surface.

b) Yes, the nature of these changes are chemical. The reason behind this is 'iron sulphate' and copper are produced in the reaction.

c) The reaction is:

Copper sulphate(Blue)+Iron(Shining white)→Iron sulphate(Green)+Copper(Brown).

Explanation:

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Answer 2

Answer:

CuSO4 + Fe = Cu + FeSO4

Explanation: