β – glucose is the monomer of__________________?
β – glucose is the monomer of__________________?
A. Cellulose
B. Starch
C. Protein
D. None of these
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Terylene is_________________?
Terylene is_________________?A. Same as Dacron
B. A polyester
C. Both A. & B.
D. Neither A. nor B.Which of the following is an elastomer ?
Which of the following is an elastomer ?A. Thiokol
B. Phenol formaldehyde
C. Urea formaldehyde
D. PolystyreneAdipic acid is an intermediate in the manufacture of _____________________?
Adipic acid is an intermediate in the manufacture of _____________________?A. Perspex
B. Nylon-66
C. Polystyrene
D. BakeliteThermosetting resins/polymers as compared to thermoplastic ones are ____________________?
Thermosetting resins/polymers as compared to thermoplastic ones are ____________________?A. Soluble in all organic solvents
B. More brittle
C. Formed by addition polymerisation only
D. Easily reshaped & reusedAddition polymerisation is not involved in the manufacture of_______________?
Addition polymerisation is not involved in the manufacture of_______________?A. Low density polythene
B. Poly vinyl chloride
C. Polystyrene
D. Polyhexamethylene adipamidePoly-methyl-methacrylate, which is an acrylic resin, is also called ___________________?
Poly-methyl-methacrylate, which is an acrylic resin, is also called ___________________?A. Thiokol
B. Plexiglass or Lucite
C. Dacron
D. Teflon