Question

under which condition can handpicking be used to separate the constituents of a mixture​

Answer 1

Answer:

Explanation: Handpicking be used to separate the constituents of a mixture as some of the substances are easily separate by picking up the impurities by hand, but some of them cannot be removed by hand and we need some other methods of separation for such mixture . ex: separation of stone and insects from rice simply by hand.

Answer 2

Answer:

we can use the handpicking method when the substance are easily separated by handpicking the impurities easily..

Explanation:

For example: We can separate stone from rice by handpicking but for other types of dissolved impurities we need some other methods for separation...