Synthetic fibres and plastic

Rayon is different from synthetic fibres because

• it has a silk like apperence

• it is obtained from wood pulp

• its fibrees can also be woven like those of natural fibres

Which is a fully synthetic fibre ?

• POLYESTER

• RAYON

• NYLON

• ACRYLIC

Polyester get wrinkled and not easy to wash

• TRUE

• FALSE

Rayon is also known as

• WOOL

• ARTIFICIAL SILK

• COTTON

Which fabric is used to make socks,ropes,parachutes and ropes for rock climbing ?

• RAYON

• NYLON

• POLYESTER

• ACRYLIC

Full form of (PET)

(a)  

Plastic that can be moulded once are called

(a)  

Plastic that can be moulded many times are called

(a)  

Plastic are generally cheaper than metal

• TRUE

• FALSE

Material which gets decomposed through natural process , such as action is called

• Biodegradable

• Non-Biodegradable