among the following the condensation polymer is:

a step growth polymer is:

of the following , highly inflammable is:

a polymer used in plants is:

a thermoplastic is:

the monomer of a polypeptide is:

a compound that is used as an initiator in chain growth free radicle polymerization is:

a polymer that can be melted and used again without producing any change is:

the process of vulcanisation of rubber was introduced by :