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    Question

    Which of the following is generally not used in the

    generation of energy?
    A Physical change Correct Answer Incorrect Answer
    B Chemical reaction Correct Answer Incorrect Answer
    C Fusion reaction Correct Answer Incorrect Answer
    D Fission reaction Correct Answer Incorrect Answer

    Solution

    Generally physical change does not produce energy but a chemical reaction produces energy. Nuclear fission and fusion reactions generate a huge amount of energy.

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