BPSC – Combined Competitive Examination · प्रश्न 51
Melamine, used for making floor tiles, is an example of:
उत्तर दाखवा आणि स्पष्टीकरण
उत्तर: (D) Thermosetting plastic
स्पष्टीकरण
Melamine and Bakelite are thermosetting plastics; they cannot be remoulded once set.
- (A) चूक
Wrong: polythene is a thermoplastic.
- (B) चूक
Wrong: melamine does not soften on reheating.
- (C) चूक
Wrong: PVC is a thermoplastic.
- (D) बरोबर
Correct: melamine sets permanently on heating and resists heat and fire.