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Question
Which setup is best to separate iodine from sand by sublimation?
Options
Heat the mixture in an open test tube
Heat in a china dish with an inverted funnel and a cotton plug
Heat in the beaker and let the vapour escape
Heat in completely closed bottle
MCQ
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Solution
Heat in a china dish with an inverted funnel and a cotton plug
Explanation:
The inverted funnel collects iodine crystals when the vapour cools.
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