9th Class Science Matter in Our Surroundings Question Bank 9th CBSE Science Matter in Our Surroundings

  • question_answer
      You want to wear your favourite shirt to a party, but the problem is that it is still wet after a wash. What steps would you take to dry it faster?

    Answer:

                   Conditions that can increase the rate of evaporation of water are: (a) An increase in the surface area by spreading the shirt. (b) An increase in the temperature by putting the shirt under the sun. (c) Increase in the wind speed by spreading it under the fan.


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