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8th Class Science Synthetic Fibers and Plastics Question Bank Synthetic Fibres and Plastics

  • question_answer
    Pre-weighed pieces of cloth of nylon, cotton, silk and wool of equal measurements are taken and soaked in a beaker filled with water. After a few minutes, the cloth pieces were taken out of the beaker and weighed again. Which of the following options places them in the correct order of their final weights?

    A)  Wool > Silk > Nylon > Cotton

    B)  Cotton > Silk > Nylon > Wool

    C)  Silk > Wool > Cotton > Nylon

    D)  Wool > Cotton > Silk > Nylon

    Correct Answer: D

    Solution :

    Higher the water absorption capacity, more will be the final weight. Thus, the correct order of their final weights will be, Wool > Cotton > Silk > Nylon.


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