Question 1 Define the term evaporation? Question 2 How are clouds formed? Question 3 Why do water drops appear on the outer surface of a glass containing ice-cold water? Question 4 What is transpiration? Question 5 We hang our wet clothes out to dry on a rope.What happens to the water in the clothes? Question 6 Give few examples of evaporation in daily … [Read more...] about Evaporation, Transpiration and Condensation
evaporation
Evaporation, Distillation
Question 1 Define the term evaporation? Question 2 Describe how will you separate common salt from sea water? Question 3 Explain the process to recover only salt? Question 4 State one large scale use of process of evaporation? Question 5 Define the term evaporation and condensation? Also Read NCERT Solutions for Chapter 5 Separation of … [Read more...] about Evaporation, Distillation
Vapour Pressure
In a liquid, the molecules are quite close together so that there are considerable forces of attraction between them and hence they are held together in a definite volume. The liquids possess fluidity like gases but incompressibility like solid. Properties of Liquid (1) Liquids have no definite shape: They take up the shape of the vessel in which they are put. This is … [Read more...] about Vapour Pressure
Water Cycle
Question 1 What are biochemical cycles? Question 2 Give diagrammatic representation of water cycle? Question 3 What is water cycle? Question 4 Explain water cycle? Biochemical Cycles The abiotic and biotic component of biosphere constantly interact with each other to form a dynamic but stable system. These interactions consist of a transfer of matter and energy … [Read more...] about Water Cycle
Evaporation
Question 1 Define Evaporation ? Question 2 What is the effect of temperature on rate of evaporation ? Question 3 Why does our palm feel cold when we put some acetone or perfume in it? Question 4 What type of clothes should we wear in summers and why. Question 5 How does the water kept in an earthen pot become cold during summers. Question 6 Why does a desert … [Read more...] about Evaporation