Polymers

Explain atactic polymers taking suitable example.

Explain syndiotactic polymers taking suitable example.

Explain isotactic polymers taking suitable example.

What are the uses of poly styrene?

State the different types polyethene.

Why do LDP and HDP differ in their densities?

Name a polymer which possesses vinylic monomer units.

Which of the following is an addition polymer?

The polymer formed by two bi-functional monomers with the elimination of small molecules like ${\mathrm{H}}_2\mathrm{O}$,${\mathrm{NH}}_3$, $\mathrm{HCl}$ etc. are termed as _____.

Shyam went to a grocery shop to purchase some food items. The shopkeeper packed all the items in polythene bags and gave them to Shyam. But, Shyam refused to accept the polythene bags and asked the shopkeeper to pack the items in paper bags. He informed the shopkeeper about the heavy penalty imposed by the government for using polythene bags. The shopkeeper promised that he would use paper bags in future in place of polythene bags. Answer the following question : Write one structural difference between low-density polythene and high-density polythene.
 

How can you differentiate between addition and condensation polymerisation?

What are thermoplastics and thermosetting polymers? Give one example of each kind.

What type of polymerisation takes place when a polyester is formed? Give one example of a polyester and name the monomers from which it is formed.

Give one example each of addition and condensation polymer. Name the monomers in each case.

Name the monomers and the type of polymerisation in the polymer polyvinyl chloride.
 

Define thermoplastic and thermosetting polymers with two examples of each.

What are polymers?

Explain the terms polymer and monomer.

Define the term polymerisation.

Which of the following sets contains only addition polymers ?