260
Question
A mixture of iodine and sand can be separated by the process of :
A mixture of iodine and sand can be separated by the process of :
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Solution
The correct option is C Sublimation
Sublimation separates a mixture of solids in which one solid undergoes sublimation. In other words, it changes directly to vapour on heating, without going through the liquid state.
Iodine is a solid that sublimes. When a mixture of iodine and sand is heated in a beaker, the iodine changes from solid to
vapour directly.
These vapours of iodine can be obtained by cooling. They will change back to solid directly.
Sublimation separates a mixture of solids in which one solid undergoes sublimation. In other words, it changes directly to vapour on heating, without going through the liquid state.
Iodine is a solid that sublimes. When a mixture of iodine and sand is heated in a beaker, the iodine changes from solid to
vapour directly.
These vapours of iodine can be obtained by cooling. They will change back to solid directly.
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