Use complete sentences to describe how you would separate a mixture of sand, solid iodine, table salt and iron filings into four separate containers.  Use an appropriate amount of detail (for example, if heating the mixture, you may need to include the temperature, if it is important)."  Hint:  Iodine undergoes sublimation when heated.

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Asked Sep 24, 2019
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Use complete sentences to describe how you would separate a mixture of sand, solid iodine, table salt and iron filings into four separate containers.  Use an appropriate amount of detail (for example, if heating the mixture, you may need to include the temperature, if it is important)."  Hint:  Iodine undergoes sublimation when heated.

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Expert Answer

Step 1

In the mixture of table salt, sand, solid iodine and iron fillings, iron filings is the only solid that is magnetic. Hence, it can be separated using a magnet. When a magnet is moved through the mixture, iron fillings get attracted to the magnet out of the mixture, leaving the salt, iodine and sand.

Step 2

The solid iodine can be separate by heating the salt, iodine and sand mixture. On heating, iodine undergoes sublimation and the fumes of iodine can be co...

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