Question

    Which of the following liquids has the least density?

    A Fresh water Correct Answer Incorrect Answer
    B Salt water Correct Answer Incorrect Answer
    C Petrol Correct Answer Incorrect Answer
    D Mercury Correct Answer Incorrect Answer

    Solution

    Gasoline or petrol is a transparent, petroleum-derived liquid that is used primarily as a fuel in internal Combustion engines. It consists mostly of organic compounds obtained by the fractional distillation of petroleum, enhanced with a variety of additives.

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