Per NCERT Class 9 Science, what is CRYSTALLIZATION?
AThe grinding of crystals into powder
BA process of forming pure crystals from a saturated solution by controlled cooling — used to separate or purify solids
CThe disappearance of crystals into a vapour
DThe reaction of two crystals to form a new compound
Answer & Solution
Correct answer: B. A process of forming pure crystals from a saturated solution by controlled cooling — used to separate or purify solids
Per NCERT §5.3.1, crystallization forms crystals from saturated solutions — used for separation and purification. The other options misstate.
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