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Name a technique used to separate iron and Sulphur
A. Filtration
B. Distillation
C. Magnetic
D. Chromatography

Last updated date: 24th Feb 2024
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IVSAT 2024
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Hint: A mixture of iron and Sulphur can easily be separated. This is because there are no chemical bonds between Sulphur and iron. The iron is magnetic and is therefore easily removed from the Sulphur. Further, the mixture of iron and Sulphur are heated to make new compounds.

Complete step by step answer:
Iron is a chemical element with the symbol F and atomic number 26. It is a metal that belongs to the first transition series and group 8 of the periodic table whereas Sulphur is a chemical element with the symbol S and atomic number16. It is abundant, multivalent and nonmetallic in nature.
Iron and Sulphur react together when they are heated to make a compound called iron sulfide.
i.e. $Fe + S \to FeS$
However, the mixture of iron and Sulphur can contain more or less iron, but iron sulfide always contains equal amounts of iron and sulfide.
Now, the electrolytes and non-electrolytes, magnetic and non-magnetic substances can be separated by the technique known as electrical and magnetic separation using either electric field or magnetic field. Hence, magnets can be used to separate iron from Sulphur. The main reason for using a magnet is that iron is magnetic in nature so when we move a magnet over their mixture, we will find that the magnet has attracted all the iron pieces from the mixture and has left the Sulphur behind. The separation is as shown:

Hence, option C is correct.

Sulphur plays a very important role in the body and is necessary for the synthesis of some key proteins. It is an ingredient approved by FDA for use in dandruff products and it often comes in combination with salicylic acid. Further, iron is used to make alloy steels like carbon steels with additives such as nickel, chromium, tungsten and manganese. Magnets can also be made using this metal and also iron catalysts are used in the Haber process for producing ammonia.