If large quantities of pebbles and stonest have to be seperated from sand which of the following methods do we use a) winnowing b) handpicking c) filtration d) sieving
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sieving
A mixture of sand, pebbles, and stones can be separated by the process of sieving. Fine sand particles pass through the holes of the sieve, while bigger impurities such as stones and gravel remain on the sieve.
A mixture of sand, pebbles, and stones can be separated by the process of sieving. Fine sand particles pass through the holes of the sieve, while bigger impurities such as stones and gravel remain on the sieve.
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