Question

if a crude solid is made of mainly one substance and has some impurities then it is purified by


a) crystallization b) distillation
c) extraction d) sublimation​

Answer 1

Answer:

Extraction

Explanation:

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Answer 2

if a crude solid is made of mainly one substance and has some impurities then it is purified by

Explanation:

• Distillation process is not used for purification of solid impurities. It is used for the purification of liquids which boils without decomposition and contains non volatile impurities.
• Crystallization is used for purification of solid organic compound. In this technique, substances are dissolved in the hot solvent up to the saturation level.
• So, a) crystallization is correct.