Question

a. Sedimental
d. Filtra
Evaporation
D. Answer the following questions in one word.
1. Name the method used to separate grains from chat
2. What is the clearer liquid obtained after sedimentat
3. What is the substance that remains on the filter pap
4. Can a mixture of chalk and water be separated by se
5. Which method is used to change liquid into vapour fe
E. Answer the following questions in one or two sent
1. How is the threshing of rice crop done?
2. What is the principle behind the process of winnowing
3. Explain sedimentation.
4. Define hand picking. Give an example of hand picking
5. How can the process of evaporation be made faster?
​

Answer 1

Answer:

D. 3

ans: insoluble solid

E 1ans: by beating stalks

3ans: sedimentation is a process in which heavier particles of an insoluble solid in a liquid settle down.

4ans: Handpicking is the practice of separating undesirable solid substances or impurities from useful solid by hand.

Example: rice and stones.

5ans: Give heat