Synthetic fibres and plastics

The synthetic fibres are also called _____________.

• Man-made fibres

• plant fibres

• nylon fibres

• none of these

The word polymer comes from a _______word.

• Latin

• Greek

• Tamil

• English

____________fibre is called artificial silk.

• Nylon

• Rayon

• Polyester

• chemical silk

Nylon was made in _________without using any natural raw material.

• water

• 1931

• 2001

• none of these

The full form of PET is___________________________.

• Polyethylene Terephtalate

• Polyethylene Terephthalate

• PolyTerephthalate

• PET has no full form

Plastic reacts with diluted acids

• True

• False

Low density Polythene is used to make___________.

• Flexible pipes

• Dustbins

• Bags

• Containers

Thermoplastics have ___________________arrangement.

• linear

• crosslinked

Teflon can resist flame, water, and oil, It is a ________________.

• Thermosetting plastic

• Thermoplastic

Bakelite is used to make _________________.

• Handles of cookware

• crockeries

• floor tiles

• fireman clothing