Question

A mixture contains twi solids out of which one is volatile. the process by which the two can be separated is

A. sublimation
B. Distillation
C. centrifugation
D. crystallisation
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Answer 1

Answer:

[D] CRYSTALLISATION

Explanation:

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Answer 2

The Answer is:

(A) Sublimation.

A material can sublimate when it moves straight as from solid to gaseous state before even going through the liquid state.

• Sublimation is the process by which a material changes from its solids into gaseous form before transitioning to its liquid state.
• This process, a thermally activated phase change, takes place underneath the particular chemical phase boundary at a pressure and temperature.
• The opposite of just this operation, where a vapor is transformed straight into a solid, called "desublimation" as well as "deposition".
• The finest illustration of sublimation was dry ice, which really is carbon dioxide that has been froze.
• Dry ice instantly transforms out of its solid to something like a gaseous form, which really is observable as fog, if it is exposed to oxygen.
• The gas state of cryogenic carbon dioxide is much more durable than that of the solid form.

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