Question

    Among the following, which has the lowest density?

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

    Solution

    Petrol, also known as gasoline, has a lower density compared to water, mercury, and salt water. This lower density is why petrol floats on water and is a critical characteristic for various applications, particularly in fuels.

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