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    Question

    Which of the following statements about materials are

    true? I. Graphite conducts electricity well. II. Bromine is a liquid non-metal at room temperature.
    A Only I Correct Answer Incorrect Answer
    B Only II Correct Answer Incorrect Answer
    C Both I and II Correct Answer Incorrect Answer
    D Neither I nor II Correct Answer Incorrect Answer

    Solution

    Graphite is a good conductor of electricity due to its free electrons. Bromine is the only non-metallic element that is liquid under normal conditions.

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