Question

Exercises Why do we need to separate different components of a mixture? Give two examples. 2. What is winnowing? Where is it used? 3. How will you separate husk or dirt particles from a given sample of pulses before cooking 4. What is sieving? Where is it used? 5. How will you separate sand and water from their mixture? 6. Is it possible to separate sugar mixed with wheat flour? If yes, how will you do it 7. How would you obtain clear water from a sample of muddy water? ​

Answer 1

Answer:

2. The process of separating heavier and lighter components of a mixture by wind or by blowing air is called winnowing.This method is used by farmers to separate lighter husk particles from heavier seeds of grain.

3.The process of separating fine particles from the larger particles by using a sieve, is called sieving. This method is used in a flour mill where impurities like husk and stones are removed from wheat before grinding it.