Define sublimation separation of mixture
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sublimation is a process to seperate a sublimable component from a non-sublimable component.
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Sublimation separates a mixture of solids, one of which sublimes. A few substances change directly, from a solid to vapour on heating without going through the liquid state. This change is called sublimation. On cooling, water vapour changes back to solid directly.
Iodine is a solid that sublimes. if a mixture of idone and sand is heated in a beaker, the iodine changes from solid to vapour directly. This is a picture of sublimation process.
The vapour changes back to solid directly on a cold surface. The sand is not affected by the heat and remains in the beaker. Other substances that sublime include carbon dioxide, anhydrous iron (III) chloride, anhydrous aluminium chloride and some ammounium compounds. As only a few solids sublime, this method of separation is li
Iodine is a solid that sublimes. if a mixture of idone and sand is heated in a beaker, the iodine changes from solid to vapour directly. This is a picture of sublimation process.
The vapour changes back to solid directly on a cold surface. The sand is not affected by the heat and remains in the beaker. Other substances that sublime include carbon dioxide, anhydrous iron (III) chloride, anhydrous aluminium chloride and some ammounium compounds. As only a few solids sublime, this method of separation is li
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