Question

Which of the following can be separated by sublimation

• A. Sugar
• B. Sand
• C. Naphthalene
• D. Salt

Answer 1

The correct option is C

Naphthalene

The explanation for the correct option:

Option C

• Sublimation is a process in which a solid state directly changes into a gaseous state without going into a liquid state.
• This process is used to separate a mixture containing a constituent that sublimes.
• Naphthalene is a sublime substance and it can be separated easily by the sublimation process.

The explanation for incorrect options:

• Sugar, salt and sand are not sublimes and are not volatile substances.

Therefore, option C is correct.