Which of the following compound is mainly used in hand sanitizer?

Wood is the main raw material for the manufacture of

Rayon is chemically a

Optical fibers are mainly used for which of the following?

The major ingredient of leather is

What are the soaps?

How does common salt help in separating soap from the solution after saponification?

In vulcanisation, natural rubber is heated with

Deep blue colour is imparted to glass by the presence of

Glass is made of the mixture of