Synthetic fibres and plastics

Small units that combine to form a large single unit is called

• Polymer

• Monomer

• Fibre

Which fibre is also known as 'Artificial silk'

• Nylon

• Rayon

• Polyester

• Acrylic

In which year was nylon fibre made

• 1942

• 1957

• 1921

• 1931

Which is the best material for making switchboards

• Melamine

• Bakelite

• PVC

Which are the examples of thermosetting plastics

• PVC

• Melamine

• Polythene

• Bakelite

Which fibre is meant to be strong than a steel wire

• Nylon

• Rayon

• Silk

• Wool

Full form of PET

Which is a popular type of polyester

Which is a special plastic on which oil and water does not stick

Plastics reacts with water and air

• True

• False