63. Vulcanized rubber contains sulphur A.2% B.3-5% C.7-9% D.10-15%

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Abhishek Mishra

2 years ago

Answer: Option B Solution: A vulcanized flexible tyre rubber contains about 3 –5% of sulphur whereas hard rubber (ebonite) contains about 32% of sulphur. The stiffness of vulcanized rubber depends on the amount of sulphur added.

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