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Question
Mixture of sand and camphor can be purified by:
Mixture of sand and camphor can be purified by:
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Solution
The correct option is D sublimation
Sublimation is used for separating substances with on heating change directly into vapour. The vapour by cooling gives the pure substance in its solid form which is called sublimate. Here camphor will sublime leaving behind the sand.
Sublimation is used for separating substances with on heating change directly into vapour. The vapour by cooling gives the pure substance in its solid form which is called sublimate. Here camphor will sublime leaving behind the sand.
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