What are natural and synthetic polymers? Give two examples of each type.

Give two examples of natural polymers.

What are lyophilic and lyophobic sols ? Give one example of each type. Which one of these two types of sols is easily coagulated and why?

What are the two main types of matter? Give two examples for each type?

What are homopolymers and co-polymers ? Give one example of each

Differentiate between the molecular structures and behaviour of thermoplastic and thermosetting polymers. Give one example of each type

Differentiate between the molecular structures and behaviour of thermoplastic and thermosetting polymers. Give one example of each type

What are lyophilic and lyophobic sols?Give one example of each type ? Why is hydrophobic sol easily coagulated ?

Which one is a synthetic polymer?

What are the essential and non-essential amino acids?Give two examples of each type.