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Harvesting

To separate r...

Question

To separate rice grains from dust, ________ can be performed.

A

handpicking

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B

threshing

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C

winnowing

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D

filtration

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Solution

The correct option is C winnowing

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Similar questions

Q. Rahul bought a sack of rice. He saw that there were a few stones present in it. He can utilise method to separate stones from the rice grains.

Q. State whether the following statements are true or false.

(a) A mixture of oil and water can be separated by filtration.
(b) Water can be separated from salt by evaporation.
(c) A mixture of wheat grains and wheat flour can be separated by sieving.
(d) A mixture of iron filings and rice flour can be separated by a magnet.
(e) A mixture of wheat grains and rice flakes can be separated by winnowing.
(f) A mixture of tea leaves and milk can be separated by decantation.

Question 14

Name and describe briefly a method which can be helpful in separating a mixture of husk from grains. What is the principle of this method?

Q. Name the method of separation involved in each example given below.
(a) When it rains, the raindrops attach themselves to the dust in the air. This makes the dust particles heavy and brings them down to the ground. Because of this, the air becomes clearer.
(b) A mixture of water and mustard oil which are miscible are separated.
(c) Salt is separated from its mixture in water, so that the water is not lost.
(d) Rice is separated from its husk.
(e) A cook while washing rice found that the rice grains settled to the bottom of the vessel. He then drained out the top layer of water containing lighter dust particles. The rice was then transferred to a strainer to remove the excess water.
(f) Salt is separated from sea water.
(g) Sand is separated from gravel at a construction site.

Q. Stones can be separated from a bowl of rice by _______.

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