Draw 3D Charts on any one of the following topics: Sublimation, Evaporation Distillation
Interconversion of states of matter
11. Answer the following questions:
1. Why do the doctors advise to put strips of wet cloth on forehead of a person having high
fever?
2. The melting points of three solids X,Y,Z are 298K, 314K and 398K, respectively .Arrange
these
in increasing order of their inter-particle force of attraction
3. Why do we feel comfortable under a fan when we are perspiring?
4. Why do solids have a regular geometrical
shape?
5. Water as ice has cooling effect, whereas water as steam may cause severe burns.
Explain these
observations.
6. How does evaporation differ from boiling?
7.Why do we see water droplets on the outer surface of a glass containing ice cold water?
8. When 50g of sugar is dissolved in 100 mL of water there is no increase in volume What
characteristic of matter iş illustrated by this observation?
9. Why do wet clothes dry quickly in sun than in shade?
10. Describe an activity to determine the boiling point of water.
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it is confusing plz ask simply
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