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

  • question_answer
    Oil spreads over the surface of water because:

    A)  Oil is more dense than water

    B)  Oil is less dense than water

    C)  Oil has more surface tension than water

    D)  Oil has less surface tension than water

    Correct Answer: D

    Solution :

     Oil and water are immiscible and Oil is lighter than water. Therefore the lighter oil particles rises to the surface and spread over it.


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