Some Commercially Important Polymers

What does ‘6, 6’ indicate in the name nylon-6, 6?

Which of the following is representing an example of step-growth polymerisation?

Which of the following is a polyamide?

Monomers used for the synthesis of Glyptal are

Name the polymer which is used for nonstick surface coating and it decomposed at temperature above $300° \mathrm{C}$

Neoprene is synthesized using monomer.

Select the correct polymerisation method for the preparation of nylon-6,6 from hexamethylene diamine and adipic acid:

Which of the following polymers contains amide linkages?

The thermosetting plastic among the following is:

Which one of the following is not correctly matched?

In the above equations, which of the following are correct?

(a) $\mathrm{X}$ and $\mathrm{Y}$ both are hard and tough

(b) $\mathrm{Y}$ has a branched structure and $\mathrm{X}$ has a linear structure

(c) $\mathrm{X}$ is prepared by free radical mechanism and $\mathrm{Y}$ by coordination polymerisation

(d) $\mathrm{X}$ is a poor conductor of electricity 

Which of the following statement is true?

Which one of the following is used to make aircraft windows?

Bakelite is obtained from phenol by reacting with

Identify the mismatch:

Match the polymer in Column $\mathrm{A}$ with its main uses in Column $\mathrm{B}$:

Column $\mathrm{A}$

(a) Polystyrene 

(b) Glyptal

(c) Polyvinyl chloride

(d) Bakelite 

Column $\mathrm{B}$

(i) Paints and lacquers

(ii) Rain coats

(iii) Manufacture of toys

(iv) Computer discs

The total number of delocalized lone pairs of electrons in melamine is: