Question

6.
A student took 20 millilitres of water in a glass & dissolved two teaspoons of sugar in it. When he checked
the volume after dissolving, to his surprise the volume remained at 20 millilitres. Why?


7 . Sejal prefers to wear woollen clothes during the winter season to keep her warm. Why?


8. Why water is known as a universal solvent?


9.Why is water cycle important?




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Answer 1

Answer:

6.Sugar dissolves in water thereby not adding volume

7.Wollen clothes acts as an insulator and keep one warm

8.Because most of the solutes in it

9. The hydrologic cycle is important because it is how water reaches plants, animals and us! Besides providing people, animals and plants with water, it also moves things like nutrients, pathogens and sediment in and out of aquatic ecosystems