Vulcanisation makes rubber ____________
(A) More elastic
(B) Soluble in inorganic solvent
(C) Crystalline
(D) More stiff
Vulcanisation makes rubber ____________
(A) More elastic
(B) Soluble in inorganic solvent
(C) Crystalline
(D) More stiff
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1 Answer
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This is a multiple choice answer as classified in NCERT Exemplar
Option (A) and (D)
Explanation: Vulcanisation is a process used to improve the physical properties of natural rubber. This method involves heating a mixture of raw rubber, sulphur, and an appropriate additive to temperatures ranging from 373 K to 415 K. Sulphur forms cross links at the reactive sites of double bonds during vulcanisation, stiffening the rubber.
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