Question

a) State one use of the method of winnowing.
b) Give one use of the 'hand-picking' method of separating mixtures in daily life.
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Answer 1

Answer:

2.

separate undesirable substances such as small pieces of stones from wheat, rice and pulses.

1.

to remove weevils or other pests from stored grain

Explanation:

2.

The method of hand picking is used to separate those mixtures where one of the component is in small quantity. The method of hand picking is used to separate undesirable substances such as small pieces of stones from wheat, rice and pulses.

1.

Winnowing is a farming method developed by ancient people for separating grain from chaff. It is also used to remove weevils or other pests from stored grain. ... In its simplest form it involves throwing the mixture into the air so that the wind blows away the lighter chaff. The heavier grains fall back down for recovery.

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Answer 2

Explanation:

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