Melamine, used for making floor tiles, is an example of:

விடையைக் காட்டு & விளக்கம்

விடை: (D) Thermosetting plastic

விளக்கம்

Melamine and Bakelite are thermosetting plastics; they cannot be remoulded once set.

(A) தவறு
Wrong: polythene is a thermoplastic.
(B) தவறு
Wrong: melamine does not soften on reheating.
(C) தவறு
Wrong: PVC is a thermoplastic.
(D) சரி
Correct: melamine sets permanently on heating and resists heat and fire.