Question

    Which metal is liquid at room

    temperature?  
    A Iron Correct Answer Incorrect Answer
    B Lead Correct Answer Incorrect Answer
    C Mercury Correct Answer Incorrect Answer
    D Aluminum Correct Answer Incorrect Answer

    Solution

    Mercury remains liquid at standard room temperature (25°C).   It is used in thermometers, barometers, etc.   Toxic in nature, needs careful handling.   It is the only metal which is liquid under normal conditions.

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