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    Question

    Substances like phosphorus burns in air at room

    temperature. This type of combustion in which a material suddenly bursts into flames, without application of any apparent cause, is called_______
    A Explosive combustion Correct Answer Incorrect Answer
    B Spontaneous combustion Correct Answer Incorrect Answer
    C Running combustion Correct Answer Incorrect Answer
    D Rapid combustion Correct Answer Incorrect Answer

    Solution

    The correct answer is B

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