Polymer Technology - Study Mode
[#76] Most commonly used rubber vulcanisation agent is
Correct Answer
(A) Sulphur
[#77] Hot drink (e.g, tea) cups are usually made of
Correct Answer
(A) Polystyrene
[#78] 90% of the caprolactum is converted to nylon-6 on its condensation polymerisation in the reactor maintained at a temperature of __________ °C.
Correct Answer
(C) 250-280
[#79] Most of the plastics are safe to be used upto a maximum temperature of __________ °C.
Correct Answer
(B) 150
[#80] __________ practically possess no elasticity.
Correct Answer
(A) Vulcanite or ebonite