Orlon has a unit of -

A biodegradable polymer among the following is:

The substance used to harden the rubber for tire manufacture is

Terylene is not a : 

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

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

Consider the following sequence of reactions.

$\begin{array}{l}\mathrm{HC}\equiv \mathrm{CH} \stackrel{\left(\mathrm{i}\right)\mathrm{CuCl},{\mathrm{NH}}_4\mathrm{Cl},\left(\mathrm{ii}\right)\mathrm{HCl}}{\to } \left(\mathrm{X}\right)\\ \stackrel{\mathrm{Polymerization}}{\to } \left(\mathrm{Y}\right)\end{array}$

The polymer (Y) is -

The chemical name of 'Melamine' is:

Peroxide initiated polymerizations occur via -

A thermoplastic polymer among the following is -

Latex can be coagulated with?

In a polymer sample, 30% of molecules have a molecular mass of 20,000, 40% have 30,000, and the rest- 60,000. What is the weight average molecular mass= of the polymer?

Reagent that is used for converting propylene to polypropylene is: 

Which of the following polymer can be used for lubrication and as an insulator? 

Polyacrylonitrile, characterized by the $$\begin{gathered} \mathrm{CN} \\ | \\ - {\mathrm{CH}}_2\mathrm{CH} - \end{gathered}$$repeating unit is made from the monomer: 

The monomer used for the manufacture of PVC is obtained by the addition of -

The number average molecular mass and mass average molecular mass of a polymer are respectively 30,000 and 40,000. The polydispersity index of the polymer is

True statements regarding polymers are: 

(1) Polymers have a low molecular weight.

(2) Polymers have high viscosity.

(3) Polymers scatter light.

(4) Polymers do not carry any charge.

Which of the following is not correctly matched?

$$\begin{gathered} {\left( \mathrm{O} \\ \left|\right| \\ -\mathrm{NH}-({\mathrm{CH}}_2{)}_6-\mathrm{NH}-\mathrm{CO}-({\mathrm{CH}}_2{)}_4-\mathrm{C}-\right)}_n \end{gathered}$$

$$\begin{gathered} {\left({\mathrm{CH}}_2 - \mathrm{C} = \mathrm{CH} - {\mathrm{CH}}_2 - \\ | \\ \mathrm{Cl}\right)}_{\mathrm{n}} \end{gathered}$$

Which /are correct about spandex?

(I) It is a polyurethane
(II) It is a flexible polymer
(III) It is a polymer of toluene 2, 6 di isocyanates, and glycol
(IV) lt is a polymer of ammonium carbamate

Polymers that involve cross-linkages are: 

(I) Bakelite                
(II) High density Polythene
(III) PVC
(IV) Vulcanised rubber

Incorrect statement regarding the polymers is: 

Which of the following compounds not contain amide linkage/group?

Which of the following are biopolymers?

(a) Leather

(b) Nucleic acids

(c) Orlon

(d) Bakelite

Passage

The polymer is a very large molecule that is made up of repeating small molecular units called monomers. The chemical reaction that unites the monomers is called polymerization. There are homopolymers, copolymers depending upon the type of monomers present in them.

Which of the following monomers will give radical polymerization most readily?
 

The polymer containing strong intermolecular forces like hydrogen bonding is

The species which can best serve as an initiator for the cationic polymerization is

Which polymer is used in the manufacture of paints and lacquers? 

Which of the following statements about low-density polythene is false?

Increasing order of intermolecular forces for Nylon - 6, 6, Buna-S, Polythene is-