Question

4) Naphthalene can be separated from sand
a) by sublimation b) by distillation
d) by using water as solvent
c) by crystallization​

Answer 1

Answer:

Q) Naphthalene can be separated from sand

Answer-a) by sublimation

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Answer 2

Answer:

Napthalene can be seperated from sand by Sublimation. .

• Naphthalene is a solid that sublimes at standard atmospheric temperature with the sublimation point at around 80 °C or 176 °F.
• At low temperature, its vapour pressure is high enough, 1 mmHg at 53 °C, to make the solid form of naphthalene evaporate into gas.

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