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    Question

    Which of the following is a physical change?

    A Oxidation Correct Answer Incorrect Answer
    B Reduction Correct Answer Incorrect Answer
    C Both (a) and (b) Correct Answer Incorrect Answer
    D None of these Correct Answer Incorrect Answer

    Solution

    Oxidation and reduction are chemical changes as they involve a transfer of electrons and result in the formation of new substances. Hence, none of these is a physical change.

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