define handpicking and sieving
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Handpicking : The method in which substances in a mixture can be separated by just picking them out with the help of hand from the mixture is known as handpicking method. ... 4) Sieving : The method of separation of particles from a mixture based on difference in size of particles is known as sieving.
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Handpicking is the separation technique. In this, slightly larger particles are separated from a mixture through hand.
Sieving is done by using a sieve . The method of separation of particles from a mixture based on difference in size of particles is known as sieving.
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