method by separating camphor and sand
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the sublimation method is used to separate camphor from sand
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We used to do it in our 9th class: place the mixture in a China dish( heat proof ) and heat with a low flame place a n inverted funnel on the China dish plug the funnel with moist cotton , in a short while all the camphor will sublime on the walls of funnel and can be collected on scratching with a spatula , salt will remain in the China dish .
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