Synthetic fibers and plastics

Select the disadvantage of synthetic fibers .

• Durable

• non - biodegradable

• Good elasticity

• light weight

• none of these

Monomer of Rayon and Nylon respectively.

• Rayon - Amide , Nylon - cellulose

• Rayon - strongest , Nylon - Acrylonitrile

• Rayon- cellulose , Nylon- Amide

• none of the above

Which item is easy to mould ?

• Cotton

• jute

• Acrylic

• Plastic

another name of thermosetting plastic is :

• PET

• Both A and c

• Thermoset

• Thermo plastic

All synthetic fibers are made up of chemicals called :

• petrolchemicals

• petrochemicals

• Both A and b

• none of the above

Which cloth is not preferred to wear in kitchen.

• Rayon

• Nylon

• Polyester

• acrylic

synthetic fibers are ................ than natural fibers.

• Costly

• cheaper

• unconfortable

• thicker

the word polyethene can be separated as follows :

• poly+thene

• poly+ethene

• polye+thene

• all of the above

! example of rayon

• cotton

• jute

• A is the answer but not B

• both A and B are correct

plates ( eating one ) are made up of thermoplastic ?

• true

• False