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
Correct Answer:

Verified
Correct Answer:
Verified
Q54: The formation of a condensation polymer generally
Q55: The _ lattice is one of the
Q56: _ solids consist of atoms or molecules
Q57: The scattering of light waves upon passing
Q58: Metallic solids do not exhibit _.<br>A)excellent thermal
Q60: Gallium crystallizes in a primitive cubic unit
Q61: The monomer that is polymerized to make
Q62: Which of the following is not a
Q63: The transition metals in group _ have
Q74: _ are solid-state materials that can be