Question

Answer this

Nyasa is checking different soil samples in the laboratory. Accidently,
iodine crystals get mixed with one of the soil sample. Now, she wants to
separate this mixture. Which method of separation should be used to
separate iodine crystals from the soil sample? Give reason for your
statement.

Answer 1

Answer:

SUBLIMATION

Iodine is a sublimable solid. Therefore to separate the mixture of iodine and sulphur, SUBLIMATION can be used.

Answer 2

Answer:

It is because iodine is a sublime substance that is, it is converted directly into vapours when it is heated without going into the liquid state. Whereas soil in non sublime. Therefore when the mixture is heated iodine will sublime and soil will be left behind separating the both. This is how Nyasa can separate the iodine crystals from the soil samples.

Hope this helps you.