Question

1, 2 and 3.
Understanding
Looking Back
Give one word or phrase for the following.
1. A method of separating unwanted solid impurities from useful solids by hand
2. A method of separating solid components of different sizes
3. A method of separating the grain from the stalk
4. A method of separating light solid particles from heavier particles using the
wind
5. A method of separating solid particles using a magnet
38​

Answer 1

Answer:

1. hand picking

2.sieving

3.threshing

4.winnowing

5.magnetic seperation