Per NCERT, what is CENTRIFUGATION used for?
ABoiling a liquid to dryness
BMagnetic separation
CCooling crystals slowly
DSeparating finer suspended particles from a liquid by spinning rapidly — the dense particles collect at the bottom while the lighter liquid stays on top
Answer & Solution
Correct answer: D. Separating finer suspended particles from a liquid by spinning rapidly — the dense particles collect at the bottom while the lighter liquid stays on top
Per NCERT §5.4.3 A, centrifugation uses high-speed rotation to sediment suspended particles. The other options describe other techniques.
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