Synthetic Fibers and Plastics_E_1

Synthetic fibres are also called _______ or _________ fibres.

• artificial

• man-made

• natural

• semi-processed

Synthetic fibres are synthesised from raw material called ____________.

• petrochemicals

• chemicals

• plastic

• iron

Like synthetic fibres, plastic is also a (a)  

(a)   is a popular polyester.

(a)   is made of many repeating units.

Thermoplastics can bent easily.

• TRUE

• FALSE

Polymers are made up of many bigger units.

• True

• False

PET is a very familiar form of polyester.

• True

• False

Polyester fabrics do not get wrinkled easily.

• True

• False

Fabric obtained from silk fibre is very cheap.

• True

• False