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Chem 1002 Ch 10 questions with complete solutions
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Chem 1002 Ch 10 questions with complete solutions
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Chem 1002 Ch 10 questions withcomplete solutions
1) Monomers are
A) small building blocks of polymers.
B) small polymers.
C) ethylene.
D) all of the above - A) small building blocks of polymers.
2) The word polymer means many
A) parts.
B) sides.
C) rings.
D) carbons. - A) parts.
3) Which statement relating monomers and polymers is correct?
A) They have the same chemical and physical properties.
B) They have different chemical and physical properties.
C) The monomer is usually a solid, while the polymer is usually a liquid or gas.
D) They have the same chemical formula. - B) They have different chemical and physical properties.
4) Natural polymers which carry the coded genetic information that makes each individual unique are
A) proteins.
B) carboxylic acids.
C) esters.
D) nucleic acids. - D) nucleic acids.
,5) Which of the following is NOT a naturally occurring polymer?
A) celluloid
B) cellulose
C) starch
D) All of the above are naturally occurring polymers. - A) celluloid
6) Celluloid is a chemical modification of which natural product?
A) cellulose
B) cells
C) ivory
D) cellophane - A) cellulose
7) The first "practical" application of celluloid was
A) billiard balls.
B) movie film.
C) stiff collars.
D) airplane wings. - A) billiard balls.
8) Which of the following is the simplest synthetic polymer?
A) polymethane
B) polyethylene
C) polyvinyl chloride
D) polystyrene - B) polyethylene
9) Polyethylene is
A) tough.
B) flexible.
C) thermoplastic.
D) all of these - D) all of these
, 10) One of the first applications of polyethylene was
A) billiard balls.
B) garbage bags.
C) electrical insulation.
D) parachutes. - C) electrical insulation.
11) High-density polyethylene is composed of
A) primarily linear, unbranched chains of polyethylene in a close packing arrangement.
B) primarily highly branched, non-linear chains of polyethylene in a diffuse packing arrangement.
C) a mixture of polyethylene and polystyrene.
D) polyethylene with high density plasticizers added to increase density. - A) primarily linear, unbranched
chains of polyethylene in a close packing arrangement.
12) HDPE finds applications in
A) food wrap.
B) rigid containers.
C) squeeze bottles.
D) garbage bags. - B) rigid containers.
13) Thermoplastic polymers may be
A) heated and reformed.
B) heated, but not reformed.
C) decomposed by heating.
D) changed in color by heating. - A) heated and reformed.
14) The development of which polymer enabled the British to have effective radar equipment and thus
contributed to the British success in the Battle of Britain in World War II?
A) polystyrene
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