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When zinc granule is dipped into copper sulphate solution, copper is precipitated because:

• (a)Both copper and zinc have a positive reduction potential.
• (b)Both copper and zinc have a negative reduction potential.
• (c)Reduction potential of zinc is higher than that of copper.
• (d)Reduction potential of copper is higher than that of zinc.

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From ISC 2022 Specimen Chemistry Paper 1, question 17.