Question

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Answer 1

Answer:  the element with negative reduction  potential can displace the metals with positive reduction potential

metals which occupy the top most position of the electrochemical series can reduce the metals at the bottom of the electrochemical series

Explanation:if it helps mark as brainliest

Answer 2

Answer:

good question

Explanation:

because zinc is highly reactive metal than copper ... thus displacement reaction does not take place and another thing when copper reacts with solution it forms green coat on copper