JEE Main Chemistry question

Not in JEE Main or NEET syllabus

Vulcanised rubber resists

(A)Wear and tear due to frictionCorrect
(B)High temperature
(C)Action of heat
(D)Cryogenic temperature

Answer: (A)

Solution

Vulcanization introduces sulphur cross-links between the polyisoprene chains of rubber, which greatly improves its mechanical strength, hardness and resistance to abrasion (wear and tear due to

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Question ID VK-151430