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Naphthalene Can Be Separated from Sand : - Science

MCQ

Naphthalene can be separated from sand :

Options

  • by sublimation

  • by distillation

  • by crystallisation

  • by using water as solvent

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Solution

by sublimation

Naphthalene sublimes on heating, whereas sand does not. So, when the mixture is heated, solid naphthalene turns into vapours, which can be condensed. Sand remains in the container.

Concept: Matter
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Lakhmir Singh Class 9 Chemistry - Science Part 2
Chapter 2 Is Matter Around Us Pure
Multiple Choice Questions | Q 78 | Page 107
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