What are synthetic fibres?

What are synthetic detergents ?

Manufacturing synthetic fibres is actually helping the conservation of forests'. Comment.

Which among the following was the first fully synthetic fibre?

Fill in the blanks with appropriate words. Like synthetic fibres ,plastic is also a……………….

Mark correct for the correct answer. Rayon is different from synthetic fibers because

Fill in the blanks with appropriate words. Synthetic fibres are also called ………………or…………. Fibres.

Fill in the blanks with appropriate words. Synthetic fibres are synthesised from raw material called ……………….. ..

What is an optical fibre? Name the principle on which it works.

Synthetic rubber is :

Buna - N synthetic rubber is a copolymer of