Polymer obtained by reaction by rection of phenol and formaldehyde is :

The polymer obtained by the polycondensation of phenol and formaldehyde is-

What Is the cross linked polymer obtained by the polymerisation of phenol and formaldehyde?

The polymer obtained by the condensation of phenol with formaldehyde is______.

A linear product of phenol and formaldehyde is used

Which type of polymer is obtained by the condesation polymerisation of urea and formaldehyde? Give its one use.

Resole is prepared by the action of phenol and formaldehyde in the presence of ____ as a catalyst.