JAMB Chemistry 2005 Question 29

Question 29

Separation of Mixtures

Sugar is separated from its impurities by

A.precipitation
B.crystallization
C.distillation
D.evaporation

Show the answer and explanation

Answer: B (crystallization)

Explanation

Sugar decomposes on strong heating, so it is purified by crystallisation: pure crystals form as a saturated solution cools, leaving impurities in solution.