Question

147
Iron nail
Iron nail which copper
test tube
sulphate
was taken out of
test tube stand
soluton
the copper
reaction mixture
sulphate
(test tube A)
(test tube B)
soluton
Fig5(b): Comparison between iron nail and copper sulphate soluton before and after the experiment explain it ​

Answer 1

Explanation:

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Answer 2

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