Question

4. Which of the following is the first true synthetic fibre created in 1930s?
a) Nylon
b) Rayon
c) Polyester
d) Spandex
The chemical​

Answer 1

Answer:

Nylon

Explanation:

nylon world's first true synthetic fibre create in 1930s

Answer 2

a) NYLON

Nylon, the first synthetic fiber in the "fully synthetic" sense of that term, was developed by Wallace Carothers, an American researcher at the chemical firm DuPont in the 1930s. It soon made its debut in the United States as a replacement for silk, just in time for the introduction of rationing during World War II.