Question

The phenomenon of change of a liquid into vapours at any temperature below its boiling point is called evaporation. In the case of liquids, a small fraction of particles at the surface, having higher kinetic energy, is able to break away from the forces of attraction of other particles and gets converted into vapour. If the amount of water in the air is already high, the rate of evaporation decreases. In an open vessel, the liquid keeps on evaporating. The particles of liquid absorb energy from the surrounding to regain the energy lost during evaporation. After a hot sunny day, people sprinkle water on the roof or open ground because the large latent heat of vaporisation of water helps to cool the hot surface. And we prefer cotton clothes. i. If the surface area is increased, the rate of evaporation: a. Increase b. Decrease c. Became zero d. None of these ii. Why clothes dry faster on a windy day? a. The rate of evaporation decrease b. The rate of evaporation increase c. Temperature increases d. None of these iii. Which of the following phenomena always results in the cooling effect? a. Condensation b. Evaporation c. Sublimation d. None of these iv. Why should we wear cotton clothes in summer? a. Cotton cloth is a good absorber b. Cause easy evaporation c. Both (a) and (b) d. None of these v. What happens when acetone is poured on palm? a. Feel cool on plam b. Absorbed in plam c. Feel hot on plam
D. None of this​

Answer 1

Answer:

b evaporation

Explanation:

Answer 2

Answer:

i-a

ii-b

iii-c

iv- actually white is preferable to wear in summrrs beacuse it reflects heat(sunlight) this you get let's heat

v-c