Which of the Following Best Describes the Polymer Chain Shown

question 32

Multiple Choice

Which of the following best describes the polymer chain shown below?

• A)Atactic polypropylene
• B)Isotactic polypropylene
• C)Syndiotactic polypropylene
• D)Cross-linked polypropylene

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Definitions:

Ptosis

A drooping or falling of the upper eyelid which may be due to a variety of causes including disease, injury, or natural aging.

Blepharitis

An inflammation of the eyelids, often causing redness, itching, and dandruff-like scales on eyelashes.

Glaucoma

Glaucoma is a group of eye conditions that lead to optic nerve damage, often associated with elevated intraocular pressure, and can result in loss of vision if not treated.

Sty

A painful, red lump on the edge of an eyelid caused by an infected oil gland.