SSC General Science & Technology Sample Paper NCERT Sample Paper-1

  • question_answer
    In cold countries alcohol is preferred to mercury as a thermometric liquid because:

    A)  Alcohol is a better conductor of heat

    B)  Alcohol can be coloured and its level seen easily

    C)  Alcohol has a very low freezing point

    D)  Alcohol is cheaper than mercury

    Correct Answer: C

    Solution :

    [c] Freezing Point is the temperature at which a liquid becomes a solid. For a given substance, the freezing point of its liquid form is the same as the melting point of its solid form.

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