The separation technique employed is as follows:
a. add an organic solvent such as ethanol to dissolve the iodine, then filter and obtain the charcoal as residue.
b. heat the mixture until all the iodine sublimes and the salt is left behind.
A mixture contains two or more components which are physically joined together.
The components of a mixture can be separated based on differences in their physical properties.
The method used to separate mixtures are called separation techniques.
A mixture of powdered copper and iodine can be separated without using heating as follows:
add an organic solvent such as ethanol to dissolve the iodine
filter and obtain the charcoal as residues
b. Salt can be obtained from a mixture of salt and iodine as follows:
heat the mixture until all the iodine sublimes and the salt is left behind.
In conclusion, separation of mixtures employs differences in their physical properties.
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