Question

give one words a method for seperating unwanted solid impurities from useful solids by hand
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Answer 1

Answer:

HANDPICKING

Explanation:

Handpicking is a seperation technique used to remove the unwanted impurties from the mixture by hand. It involves simply picking out substances by hand and separating them form others. Handpicking method can be used when items differ on the basis of color ,shape and weight.