McqMate
| Q. |
In vulcanization, natural rubber is heated with- |
| A. | Carbon |
| B. | Sulphur |
| C. | Silicon |
| D. | Phosphorus |
| Answer» B. Sulphur | |
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Explanation: Vulcanization of rubber is a process of improvement of the rubber elasticity and strength by heating it in the presence of sulfur, which results in three-dimensional cross- linking of the chain rubber molecules(polyisoprene) bonded to each other by sulfur atoms. |
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