Latest UPSC Aptitude Question SOLUTION: When an iron nail is dipped in a solution of copper sulphate, the iron nail becomes brownish in colour and the blue colour of copper sulphate solution fades after some time. T

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(#M40029121) UPSC question CAPF 2012 Keep an EYE

When an iron nail is dipped in a
solution of copper sulphate, the
iron nail becomes brownish in
colour and the blue colour of
copper sulphate solution fades after
some time. The reaction is an
example of chemical
(a) combination
(b) decomposition
(c) displacement
(d) double displacement

Asked In UPSC Rats (11 years ago)

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