Question

Four mixtures are given below

i) Green peas and chick peas
ii) Rice flakes and rice grains
iii) Corn and gram seeds.
iv) Coffee beans and sugar

Which of the above mixtures can be separated from winnowing and why?​

Answer 1

Answer:

ii) rice flakes annd rice grains

Explanation:

rice flakes are light weight particles while raice grains are heavier than rice flakes. Therefore when winnowing is done the rice flakes flew away and fall down with the help of air.

Answer 2

Answer:

ii) rice flakes and rice grains

Explanation:

As the rice flakes and rice grains are very small in size it is very difficult to seperate them. Hence they use a process called winnowing to separate them.

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