9th Class Science Matter in Our Surroundings

  • question_answer 50)
      It is a hot summer day, Priyanshi and Ali are wearing cotton and nylon clothes respectively. Who do you think would be more comfortable and why?

    Answer:

      Priyanshi would be more comfortable. The reason is that we get a lot of sweat on our body in a hot summer day. Cotton being a good absorber of water, absorbs sweat from the body and provides larger surface area for evaporation which causes more cooling effect. Nylon does not absorb sweat, so the sweat does not evaporate and Ali would feel uncomfortable.


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