GENERAL KNOWLEDGE

Detailed explanation-1: -Explanation: Nylon was the first ‘fully synthetic’ fibre that was developed in the 1930s by an American researcher, Wallace Carothers at Du Pont, a chemical firm.

Detailed explanation-2: -Nylon is another man-made fibre. In 1931, it was made without using any natural raw material (from plant or animal). It was prepared from coal, water and air. It was the first fully synthetic fibre.

Detailed explanation-3: -The synthetic man-made fibers include the polyamides (nylon), polyesters, acrylics, polyolefins, vinyl, and elastomeric fibers, while the regenerated fibers include rayon, the cellulose acetates, the regenerated proteins, glass, and rubber fibers.