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Which of these polymers is used in pipes and fittings?


A) Teflon
B) Polystyrene
C) Dacron
D) Nylon 6,6
E) PVC

F) A) and B)
G) C) and D)

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Which one of these elements is not found in proteins?


A) S
B) P
C) C
D) O
E) N

F) A) and B)
G) A) and C)

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Liquid crystals exhibit properties or both liquids and gases.

A) True
B) False

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A protein is


A) a saturated ester of glycerol.
B) a polysaccharide.
C) an aromatic hydrocarbon.
D) a polymer of amino acids.
E) one of the units making up a nucleic acid.

F) B) and D)
G) A) and E)

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When the following two monomers are combined,which condensation polymer is formed? When the following two monomers are combined,which condensation polymer is formed?   A)    B)    C)    b D)    E)


A) When the following two monomers are combined,which condensation polymer is formed?   A)    B)    C)    b D)    E)
B) When the following two monomers are combined,which condensation polymer is formed?   A)    B)    C)    b D)    E)
C) When the following two monomers are combined,which condensation polymer is formed?   A)    B)    C)    b D)    E)   b
D) When the following two monomers are combined,which condensation polymer is formed?   A)    B)    C)    b D)    E)
E) When the following two monomers are combined,which condensation polymer is formed?   A)    B)    C)    b D)    E)

F) A) and B)
G) B) and C)

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Which monomer may be used to form the following condensation polymer? Which monomer may be used to form the following condensation polymer?    A)    B)    C)    D)    E)


A) Which monomer may be used to form the following condensation polymer?    A)    B)    C)    D)    E)
B) Which monomer may be used to form the following condensation polymer?    A)    B)    C)    D)    E)
C) Which monomer may be used to form the following condensation polymer?    A)    B)    C)    D)    E)
D) Which monomer may be used to form the following condensation polymer?    A)    B)    C)    D)    E)
E) Which monomer may be used to form the following condensation polymer?    A)    B)    C)    D)    E)

F) All of the above
G) B) and C)

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_______________ liquid crystal molecules are parallel to each other within each layer,but each layer is rotated with respect to the layers above and below it.

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Which of the following is not a polymer?


A) DNA
B) Starch
C) Protein
D) Amino acid
E) Cellulose

F) B) and E)
G) A) and B)

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