Question

8. Which of the following is not endothermic process?
(a) Fusion
(b) Vaporisation
(c) Temperature
(d) Insoluble heavy impurities
9. Which of the following does not affect rate of evaporation?
(a) Wind speed
(b) Surface area
(c) Temperature
(d) Insoluble heavy impurities
10. Kinetic energy of molecules is directly proportional to
(a) Temperature
(b) Pressure
(c) Both (a) and (b)
(d) Atmospheric pressure

Answer 1

8. insoluble heavy particles

9. insoluble heavy particles

10. temperature

Hope it helps you.

Answer 2

8. D
9. D
10. A

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