Which of the following polymers belong to the class of formaldehyde resin ?

Related Mcqs:

Mastication of rubber means_______________?

A. Its softening B. A treatment to retard its deterioration due to oxidation C. Improving its curing rate D. Depression of its freezing point...

Amino resins are used in paper treatment to improve its__________________?

A. Wet tear and bursting strength B. Folding endurance C. Wet rub resistance D. All A., B. & C....

Which of the following is generally not used as eord for synthetic rubber tyre casing ?

A. Dacron B. Nylon C. Cellulose D. None of these...

The major constituent of laminate of safety glass, which holds the broken glass, pieces in their places during accident (and thus minimises the danger from flying glass fragments) is____________________?

A. Polyvinyl alcohol B. Polyvinyl acetate C. Polyvinyl butyral D. PVC...

Which of the following is not an elastomer ?

A. Polyisoprene B. Neoprene C. Nitrile-butadiene D. None of these...