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Thermo plastics becomes ________ on heating.(a) Rigid(b) Moulded(c) Soft(d) BrittleI got this question during an interview for a job.Asked question is from Plastics topic in portion High Polymers and Plastics of Applied Chemistry

Answer»

The CORRECT choice is (C) Soft

The explanation: On HEATING the thermo plastic resins, they BECOME soft and on cooling they become RIGID reversibly. The thermo setting resins are moulded on heating.



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