Which of the following is used for the preparation of nylon?
i) Coal
ii) Water
iii) Air
iv) Hydrogen

The correct answer is: Only (i), (ii) and (iii)

• Nylon is a type of plastic material made up of synthetic polymers.
• Coal, water and air is needed for production of nylon.
• Coal is heated under high pressure.
• Then it ungoes condensation reaction to produce coal.