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What is the range of sulfur content typically utilized in the vulcanization process of rubber?

1. 5% to 30%
2. 3% to 25%
3. 10% to 20%
4. 5% to 25%

Correct answer: 5% to 30%

Solution

The correct range of sulfur content utilized in the vulcanization process of rubber is 5% to 30% because this range allows for the optimal cross-linking of polymer chains, thereby enhancing the strength and hardness of the rubber.

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