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    Question

    Which of the following is a displacement

    reaction?
    A Zn + CuSO₄ → ZnSO₄ + Cu Correct Answer Incorrect Answer
    B NaCl + AgNO₃ → AgCl + NaNO₃ Correct Answer Incorrect Answer
    C HCl + NaOH → NaCl + H₂O Correct Answer Incorrect Answer
    D CaCO₃ → CaO + CO₂ Correct Answer Incorrect Answer

    Solution

    In this displacement reaction, zinc, being more reactive than copper, displaces copper from copper sulfate to form zinc sulfate and copper metal.

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