Question

Here is the procedure for separation of substances.

1) Which of the following methods are used for separation of substances?


a) Remove pebbles from the sand.
b) Remove pebbles from grains at home.

c) Separate husk from grains in agriculture

d) Separate the seeds from the crop stalks. ​

Answer 1

Explanation:

The process that is used to separate grain from stalks etc. is threshing. In this process, the stalks are beaten to free the grain seed