Buna-S is a polymer of -

1. Butadiene and Styrene
2. Butene and Styrene
3. Butadiene and Chloroprene
4. Butene and Salicylaldehyde

An example(s) of co-polymer among the following options is :

1. Nylon-6,6

2. Terylene.

3. Buna-S.

4. All of the above.

Which of the following is used to make non stick cookware ?

1. PVC

2. Polysterene

3. Polyethylene

4. PTFE

Polyethene, PVC, teflon and neoprene are example of -

1. Homopolymer.

2. Addition hetropolymer.

3. Biodegradable polymer.

4. Copolymer.

Product (E) is "

(1) Nylon 66

(2) Nlyon 6

(3) Styrene

(4) Polystyrene

Acetate rayon is prepared from:

(1) acetic acid

(2) glycerol

(3) starch

(4) cellulose

Rubber is heated with sulfur and the process is known:

1. galvanization

2. vulcanization

3. bessemerization

4. sulphonation

Terylene is a:

(1) Polyamide                     

(2) Polyester

(3) Polyether                       

(4) Long chain hydrocarbon

Thermosetting plastics are:

1. Cross-linked polymers

2. Don’t melt or soften on heating

3. Cross-linking is usually developed at the time of moulding where they harden irreversibly

4. All of the above

Which are true for terpolymer?

(1) Contains three monomers

(2) ABS plastic

(3) A polymer of acrylonitrile, butadiene and styrene

(4) All of the above