Suggest a method to purify: (i) iodine containing traces of common salt:
(ii) Kerosene containing a little of water and
(iii) camphor containing a little benzoic acid.

Suggest a method to purify (i) iodine containing traces of common salt (ii) kerosene containing water (iii) benzene containing non-volatile impurities.

Which technique can be used to purify iodine containing traces of common salt?

Suggest a method to purify benzene containing non-volatile impurities:

Give one example each of the following (i) A molecule containing a single covalent bond (ii). A molecule containing a double covalent bond (iii). A molecule containing a triple covalent bond. (iv). A compound containing an ionic bond.

Water containing dissolved common salt may be regarded as hard water.

How will you purify a samople of benzoic acid that contains traces of common salt?

Describe the method of separating a mixture containing common salt, sand and ammonium chloride.