Natural rubber is a polymer of __________.
The starting raw materials for nylon are adipic acid and ________.
On the basis of their origin polymers are classified as _________ and _______ polymers.
The monomer units of PAN is ________.
Phenol formaldehyde resin is commonly called _________.
The monomer units of PMMA is ___________.
Lucite is a polymer of ___________.
The starting material of PCTFE is ________.
Neoprene and _________ are synthetic rubbers.
In Buna-S, S stands for ___________.