State whether the following statements are True or False:

A.

Protein is natural polymer.

B.

Buna-S is a homopolymer.

C.

Neoprene is a synthetic rubber.

D.

Nylon-6,6 is an example of elastomer.

E.

Cotton is an example of natural polyamide fibre.

A.

B.

C.

D.

E.

Nylon is a co-polymer of

• Urea and formaldehyde

• Phenol and formaldehyde
• Hexamethylene diamine and adipic acid
• Styrene and butadiene.

Nylon is

• A polyester fibre
• A polyamide fibre
• A polythene derivative
• A polymethyl methylacrylate fibre

A.

B.

C.

D.

E.

Rubber particles are coagulated by adding ________ solution. 

________ and glyptal both are polyesters.

The monomers of terylene are terephthalic acid and __________.

Select the natural rubber from among the following

• Isoprene

• Nitrocellulose

• Polythene

• Bakelite

• A polymer

• An isomer

• A monomer

• Gram-molecule