Q1043
Vulcanized rubber contains sulphur
A.
2%
B.
3-5%
AnswerC.
7-9%
D.
10-15%
Answer: Option B
Solution
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.