The method of separating small stones and husk from grains by picking with hands is called __________.

Handpicking

The process of beating stalks to separate grains from them is known as __________.

Threshing

Separating heavier grains from lighter husk using wind or blowing air is called __________.

Winnowing

The method used to separate bran from wheat flour based on particle size is __________.

Sieving

Obtaining salt from seawater by allowing water to evaporate in sunlight is an example of __________.

Evaporation

True or False: Sedimentation involves the separation of solid particles from a liquid by allowing them to settle.

True

I can separate iron from sawdust without getting my hands dirty. What am I? (Riddle)

A magnet

How does decantation differ from filtration?

Decantation involves pouring off a liquid from settled solids, while filtration uses a barrier to separate solids from liquids.

Differentiate between sedimentation and decantation with an example from tea preparation.

Sedimentation is when tea leaves settle at the bottom of the cup, and decantation is pouring the tea into another cup without the leaves.

Outline a stepwise procedure to separate sand, salt, iron filings, and pebbles from a mixture.

1. Use a magnet to remove iron filings. 2. Add water to dissolve salt. 3. Filter to separate sand and pebbles. 4. Evaporate water to obtain salt.