Question

which of the following methods are used for separation of substances ?
1) remove pebbles from the sand
2) remove pebbles from grains at home
3) separate husk from grains in agriculture
4) separate the seeds from the crop stalks​

Answer 1

Answer:

1. Sieving

2. Hand picking

3. Winnowing

4. Threshing

Answer 2

Answer:

1) process of sieving

2) hand picking method

3) winnowing method

4) threshing method