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Chemistry
Polymers
Which of the following statements is false?
A. Thermoplastics are linear polymers
B. Both starch and cellulose are polymers of glucose
C. Nylon-66 is an example of elastomer
D. Rayon can absorb over 90% of its own mass of water and does not stick to wound

Chemistry
Polymers
Acrilan is a hard, and a high melting material. Which of the following represents its structure?
(A)
(B)
(C)
(D)
Chemistry
Polymers
Which among the following is a poor conductor of heat and electricity?
(A) Melamine
(B) Bakelite
(C) Both A and B
(D) None of the above

Chemistry
Polymers
Which of the following items cannot be recycled?
A) plastic milk bottles
B) plastic food trays
C) cd/dvd cases
D) plastic cups

Chemistry
Polymers
Which of the following statements is false?
(A) The repeat unit in natural rubber is isoprene.
(B) Both starch and cellulose are polymers of glucose.
(C) Nylon $ 6,6 $ is an example of an elastomer.
(D) Artificial silk is derived from cellulose.

Chemistry
Polymers
Teflon, a polymer of tetrafluoroethylene, is an excellent plastic material for films and coatings. Which of the following is not the property of Teflon?
A.It is unaltered by radiation
B.It can withstand high temperatures
C.It is one of the most chemically-resistant plastic in the world
D.It is an ideal insulator for high-frequency fittings
Chemistry
Polymers
Synthetic polymer that resembles natural rubber is-
A.Chloroprene
B.Isoprene
C.Neoprene
D.Glyptal
Chemistry
Polymers
Give three advantages of polythene over natural materials?
Chemistry
Polymers
What is a Block Polymer?
Chemistry
Polymers
Terylene is a:
A. Polyamide
B. Polyester
C. Polyethylene
D. Polypropylene
Chemistry
Polymers
Which of the following is not an amorphous substance?
A) Copper
B) Rubber
C) Glass
D) Polymers
Chemistry
Polymers
Which of the following is not a polymer?
A) DNA
B) Glucose
C) Starch
D) Cellulose

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