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7th Class Science Heat Question Bank Heat

  • question_answer
    A coin is dipped in the molten wax in a glass tube. When we heat the upper part of the glass tube, the wax around the coin will not melt because:

    A) wax has a very high melting point

    B) wax is a good conductor of heat

    C) glass is a good conductor of heat

    D) wax and glass are bad conductors

    Correct Answer: D

    Solution :

        wax and glass are bad conductors


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