The polymer containing strong intermolecular forces, e.g., hydrogen bonding is:
1. Natural rubber
2. Teflon
3. Nylon-6,6
4. Polystyrene
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Acrilan is a hard, horny and a high melting material. Which of the following represents its structure ?
1.
2.
3.
4.
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Melamine plastic crockery is a copolymer of:
1. HCHO and melamine.
2. HCHO and ethylene.
3. Melamine and ethylene.
4. None of the above.
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Bakelite is prepared by the reaction between
1. Urea and formaldehyde
2. Ethylene glycol
3. Phenol and formaldehyde
4. Tetramethylene glycol
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Which one is protein fibre ?
1. Cotton
2. Rayon
3. Silk
4. Polyster
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Synthetic human hair wigs are made from a copolymer of vinyl chloride and acrylonitrile and is called:
1. PVC
2. polyacrylonitrile
3. cellulose
4. dynel
Thermoplastics are:
1. Linear polymers
2. Soften or melt on heating
3. Molten polymer can be moulded in desired shape
4. All of the above
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Match the polymer of column I with correct monomer of column II.
Column I Column II
(i) High density polythene (a) Isoprene
(ii) Neoprene (b) Tetrafluoroethene
(iii) Natural rubber (c) Chloroprene
(iv) Teflon (d) Acrylonitrile
(v) Acrilan (e) Ethene
(1) (i) → (e) (ii) → (c) (iii) → (a) (iv) → (b) (v) → (d)
(2) (i) → (a) (ii) → (c) (iii) → (e) (iv) → (b) (v) → (d)
(3) (i) → (b) (ii) → (c) (iii) → (a) (iv) → (e) (v) → (d)
(4) (i) → (e) (ii) → (d) (iii) → (a) (iv) → (b) (v) → (c)
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Match the polymers given in Column I with their chemical names given in Column II.
Column I Column II
(i) Nylon 6 (a) Polyvinyl chloride
(ii) PVC (b) Polyacrylonitrile
(iii) Acrilan (c) Polycaprolactum
(iv) Natural rubber (d) Low density polythene
(v) LDP (e) cis-polyisoprene
1. (i) → (a) (ii) → (c) (iii) → (b) (iv) → (e) (v) → (d)
2. (i) → (c) (ii) → (a) (iii) → (b) (iv) → (e) (v) → (d)
3. (i) → (c) (ii) → (b) (iii) → (a) (iv) → (e) (v) → (d)
4. (i) → (c) (ii) → (a) (iii) → (d) (iv) → (e) (v) → (b)
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Match the polymers given in Column I with their commercial names given in Column II.
Column I Column II
(i) Polyester of glycol and phthalic acid (a) Novolac
(ii) Copolymer of 1, 3-butadiene and styrene (b) Glyptal
(iii) Phenol and formaldehyde resin (c) Buna-S
(iv) Polyester of glycol and terephthalic acid (d) Buna-N
(v) Copolymer of 1, 3-butadiene and acrylonitrile (e) Dacron
1. (i) → (a) (ii) → (c) (iii) → (b) (iv) → (e) (v) → (d)
2. (i) → (b) (ii) → (a) (iii) → (c) (iv) → (e) (v) → (d)
3. (i) → (b) (ii) → (c) (iii) → (a) (iv) → (e) (v) → (d)
4. (i) → (e) (ii) → (c) (iii) → (a) (iv) → (b) (v) → (d)
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