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:

Fibrous Joint

Bones connected by fibrous tissue with no joint cavity; includes sutures, syndesmoses, and gomphoses.

Synovial

Relating to or containing synovia (a substance that serves as a lubricant in a joint, tendon sheath, or bursa).

Cartilaginous

Describing a type of tissue that is not as hard as bone but provides flexibility and support; it is found in areas like the ears, nose, and joints.

Complex

A group of interconnected entities or a composite material formed from two or more substances with combined properties.