} }

Is Matter Around Us Pure

Is Matter Around Us Pure > Ask Alfie
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Hi
What is sieving?
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Sieving is the method of separation of fine particles from bigger particles by allowing the finer particles to pass through the holes of a sieve, leaving the bigger particles in the sieve itself.It is used in flour mills, construction site. Example:Pebbles and stones are removed from sand by sieving.
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