Question

give reason winnowing cannot be used fo seprate pebbles from rice



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Answer 1

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Husk and stones could be separated from grains by handpicking. Husk is separated from heavier seeds of grain by winnowing. Difference in the size of particles in a mixture is utilised to separate them by the process of sieving and filtration.

Winnowing is an agricultural method developed by ancient cultures for separating grain from chaff. It can also be used to remove pests from stored grain. Winnowing usually follows threshing in grain preparation.

Here rice is grain winnowing is use to remove lighter particles then grains from it but pebbles are heavier than rice so that process cannot be used here.

Answer 2

Answer:

Opo yo jawabanne tak goleki sik