Question

To show that zinc is a more active metal than copper, the correct procedure is to: (1) add dilute nitric acid on strips of both the metals. (2) observe transmission of heat through strips of zinc and copper. (3) prepare solution of zinc sulphate and hang strip of copper into it. (4) prepare solution of copper sulphate and hang strip of zinc into it.

Answer 1

4
3
2
1
is the order
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