Natural and Synthetic Rubbers

The material used by dentists in root canals is

Which of the following structures represent repeating units of neoprene polymer?

Which of the following is the monomer of natural rubber?

The structure of Neoprene is :

Which statement is correct?

In polymer Buna-$\mathrm{S}:\text{'}\mathrm{S}\text{'}$ stands for:

The monomer units of polymer Buna-N.

Copolymerization of $1,3$ $-\mathrm{butadiene}$ and acrylonitrile gives

The correct match between item - I and item - II is :

Assertion:- Natural Rubber has elastic property.
Reason:- It has linear structure.

Assertion:- Natural rubber is cis-$1,4$-polyisoprene.

Reason:- Isoprene is $2$ -methyl-$1,3$-butadiene.

Which of the following are monomers of natural rubber and neoprene respectively:

Monomers of natural rubber and neoprene are respectively:

Isoprene is:

The monomers of buna$-\mathrm{S}-$rubber are:

Neoprene, an important synthetic rubber, is formed by:

The polymerisation reaction shown below

would produce:

Structures of some common polymers are given. Which one is not correctly presented?

The monomer used for preparing neoprene rubber is

To improve the quality and tensile strength of natural rubber is heated with sulphur. This process is known as