Natural Rubber Is Too Soft and Chemically Reactive for Practical

question 59

Multiple Choice

Natural rubber is too soft and chemically reactive for practical applications. Vulcanization of natural rubber entails ________.

• A)conversion of an addition polymer to a condensation polymer
• B)conversion of a condensation polymer to an addition polymer
• C)increasing the average molecular weight of a condensation polymer
• D)decreasing the average molecular weight of an addition polymer
• E)crosslinking reactive polymer chains with sulfur atoms

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Definitions:

Economic Expansion

The situation that occurs when an economy is growing and people are spending more money; their purchases stimulate the production of goods and services, which in turn stimulates employment.