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Q.

Which statement is correct about the separation of naphthalene and sodium chloride?

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a

Sodium chloride is a sublimable substance

b

Both 1 and 2

 

c

Separated by the process of sublimation

d

Naphthalene is a sublime substance

answer is D.

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Detailed Solution

A mixture of naphthalene and sodium chloride is separated by the process of sublimation as naphthalene is a sublime substance.

On heating, naphthalene changes its state from solid to gas without attaining the liquid state. This process is known as sublimation.

Sodium chloride is not a sublimable substance.

 
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