Classification of Polymers

Which of the following is an example of natural polymer?

Which of the following is fully fluorinated polymer ?

Nylon threads are made of

Nylon threads are made of –

The monomer of Daxtron is

Write the uses of Dextron.

A polymer used in paints is _____. (Glyptal / Nomex)

Thermosetting polymers:

(a) are formed by condensation reaction.

(b) have cross-linked structure.

(c) are hard, rigid and brittle.

Correct statements are.

Which of the following are characteristics of thermosetting polymers?

(a) Heavily branched cross-linked polymers.

(b) Linear, slightly branched long chain molecules.

(c) Become infusible on moulding, so, cannot be reused.

(d) Soften on heating and harden on cooling, can be reused.

Which of the following is not a semi synthetic polymer?

A type of polymer is generally formed from bifunctional and trifunctional monomer and contains strong covalent bonds between various polymer chains. The polymer may structurally be?

Among: 

(a) Proteins 

(b) Starch 

(c) Nucleic acid

Which of these are natural polymers? 

Identify the mismatch in the following:

Which one of the following is used to make lenses?

In the above equations, $\mathrm{X}$ and $\mathrm{Y}$ can be, 

(a) $\mathrm{X}={\mathrm{COOCH}}_3$, $\mathrm{Y}={\mathrm{H}}_2$/ $\mathrm{Ni}$/ Heat 

(b) $\mathrm{X}={\mathrm{CONH}}_2$, $\mathrm{Y}={\mathrm{H}}_2$/ $\mathrm{Ni}$/ Heat 

(c) $\mathrm{X}=\mathrm{CN}$, $\mathrm{Y}={\mathrm{H}}_2$/ $\mathrm{Ni}$/ Heat

Which of the following is a natural polymer?

Condensation of diethyl carbonate and bisphenol-A polymerises to form:

Nylon-$6, 6$ is:

(a) a condensation polymer

(b) a polyamide

(c) formed by step growth process