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Q.

What is the concept behind separation by handpicking?

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a

Difference in size

b

Difference in boiling point

c

Difference in densities

d

Difference in melting point

answer is A.

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Detailed Solution

Handpicking is the method to remove slightly larger impurities that are easy to pick by hand. The main concept is that the size of the impurities should be greater than or equal to the size of the main component, so that it is easier to identify and pick the impurities.

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