The turbidity of a polymer solution measures

(1) light transmitted by the solution

(2) light scattered by the solution

(3) a light absorbed by the solution

(4) none of these

Orlon has a unit of -

1. Glycol

2. Isoprene

3. Vinyl cyanide

4. Acrolein

The biodegradable polymer among the following is:

1. Cellulose

2. Nylon-6

3. Polythene

4. Polyvinylchloride

The substance used to harden the rubber for tire manufacture is

(1) ${\mathrm{CaC}}_2$

(2) wax

(3) carbon black

(4) 1, 3-butadiene

Terylene is not a : 

1. Synthetic fiber

2. Thermosetting plastic

3. Step-growth polymer

4. Condensation polymer

Perlon is also known as:

1. Nylon-6, 10

2. Nylon-4, 4

3. Nylon 6, 6, 6

4. Nylon-6

Cellulose is a condensation polymer of

1. $\mathrm{\alpha }$-galactose

2. $\mathrm{\alpha }$-glucose

3. $\mathrm{\beta }$-glucose 

4. $\mathrm{\beta }$-galactose

Toluene di-isocyanate is used to prepare

(1) polyamides

(2) polyurethanes

(3) polycarbonates

(4) polyesters

Monomers that are used in the manufacture of 'Dacron' are: 

(1) Acrylonitrile and vinyl acetate

(2) Terephthalic acid and ethylene glycol

(3) Phthalic acid and ethylene glycol

(4) Adipic acid and hexamethylene diamine

Which can be used as a monomer in a polymerization reaction?

1. ${\mathrm{C}}_2{\mathrm{H}}_4$

2. ${\mathrm{C}}_2{\mathrm{H}}_6$

3. ${\mathrm{C}}_2{\mathrm{H}}_5\mathrm{Cl}$

4. ${\mathrm{C}}_6{\mathrm{H}}_5\mathrm{Cl}$