Question

define sublimation ?​

Answer 1

Answer:

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define sublimation ?

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Sublimation is the transition of a substance directly from the solid to the gas state, without passing through the liquid state.

The reverse process of sublimation is deposition or desublimation, in which a substance passes directly from a gas to a solid phase.To sublimate is to change the form, but not the essence.

Physically speaking, it means to transform solid to vapor; psychologically, it means changing the outlet, or means, of expression from something base and inappropriate to something more positive or acceptable.

Sublimation, including melting, freezing, and evaporation, is a form of phase transition, or shift in a state of matter.

A substance transforms from a solid to a gas by sublimation without ever going through a liquid phase. A common example of sublimation is the dry ice, heavy CO2.

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Answer 2

Sublimation :

This is the process of conversion of a solid

directly into vapours on heating. Substances showing this property are called sublimate, e.g. iodine, naphthalene, camphor. This method is used to separate a sublimate from non-sublimate

substances.