Question

Fibre obtained by chemical treatment of wood pulp is called _________.

• A. natural silk
• B. rayon
• C. nylon
• D. polyester

Answer 1

The correct option is B rayon

$Naturalsilk$: Silk is an animal protein fiber produced by certain insects to build their cocoons and webs.

$Rayon$: Rayon is a manufactured regenerated cellulose fiber. It is made from purified cellulose, primarily from wood pulp, which is chemically converted into a soluble compound.

$Nylon$: Nylon is a strong, light synthetic fiber. Nylon thread is made from the polymerization of an amine and an acid chloride.

$Polyester$: Polyester is a synthetic polymer made of purified terephthalic acid or its dimethyl ester dimethyl terephthalate and monoethylene glycol.