Study the given figures and select the correct statements regarding polymers X and Y.

I. X is a linear polymer while Y is a crosslinked polymer.
II. X could be polyvinyl chloride and Y could be bakelite.
III. X could be melamine resin and Y could be teflon.
IV. X can be recycled easily while Y cannot be recycled.

Options

A. I, II and IV only
B. II and IV only
C. III and IV only
D. I, II, III and IV

Answer

A

Explanation

PVC and teflon are linear polymers while bakelite and melamine resin are crosslinked polymers. Thermoplastics can be recycled while thermosetting plastics cannot be recycled.