- What is evaporation? Give one example of evaporation.
- On what factors the process of evaporation depend?
- Why doesevaporation cause cooling?
- Why do wet clothes dry faster in the sun than in shade?
- Why do wet clothes dry faster when spread in open?
- Why should we wear cotton cloths during summers?
- Is evaporation an exothermic or endothermic process?
- Define (i) humidity, (ii)absolute humidity, (iii)relative humidity. Which of these has no unit?
- Why does the water kept in an earthen port (matka) during hot summer days become cold?
- Under what condition of humidity no evaporation is possible?
- Evaporation of water increases under the conditions:
- increase in temperature, decrease in surface area.
- increase in surface area, rise in temperature.
- decrease in temperature, increase in surface area.
- Which of the liquids evaporate faster?
- Liquid having weak intermolecular forces
- Liquids having strong intermolecular forces.