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Question
What do you mean by sublimation? Explain with an example.
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Solution
SUBLIMATION : “Change of solid state of matter directly on heating to vapour state (without becoming liquid) and on cooling vapours to solid is called sublimation
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“On heating, some solid substances change from solid to vapour state without passing through liquid state.” The technique used for the purification of such solid substances based on the above principle is known as:
