Ebonite is a/an___________________?
Correct answer: C. Highly vulcanised rubber
- A. Unvulcanised raw rubber
- B. Natural rubber
- C. Highly vulcanised rubber
- D. Adhesive
Explanation
Ebonite is rubber containing a very high proportion of sulphur, typically about 25 to чи 40%, making it hard and rigid. It is therefore called hard or highly vulcanised rubber, not raw or natural rubber.
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