No, sieving will not work effectively if the holes of the sieve are larger than the substances being sieved, as both fine and larger particles could pass through.
NCERT Book Curiosity Science Class 6 Session 2024-2025.
Will sieving work if the holes of the sieve are larger than the substances being sieved?
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Sieving won’t be effective if the holes of the sieve are larger than the substances being sieved. In such cases, both the desired and undesired particles will pass through the sieve, defeating the purpose of separation. The sieve’s holes must be appropriately sized.
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