Match the polymers given in Column I with the type of linkage present in them given in Column II.
Column I Column II
(i) Terylene (a) Glycosidic linkage
(ii) Nylon (b) Ester linkage
(iii) Cellulose (c) Phosphodiester linkage
(iv) Protein (d) Amide linkage
(v) RNA
1. (i) → (a) (ii) → (d) (iii) → (b) (iv) → (d) (v) → (c)
2. (i) → (b) (ii) → (d) (iii) → (a) (iv) → (d) (v) → (c)
3. (i) → (c) (ii) → (d) (iii) → (a) (iv) → (d) (v) → (b)
4. (i) → (a) (ii) → (d) (iii) → (b) (iv) → (d) (v) → (c)
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Match the polymers given in Column I with the preferred mode of polymerisation followed by their monomers.
Column I Column II
(i) Nylon-6,6 (a) Free radical polymerisation
(ii) PVC (b) Ziegler-Natta polymerisation or coordination polymerisation
(iii) HDP (c) Anionic polymerisation
(d) Condensation polymerisation
1. (i) → (d) (ii) → (a) (iii) → (b)
2. (i) → (c) (ii) → (a) (iii) → (b)
3. (i) → (d) (ii) → (c) (iii) → (b)
4. (i) → (b) (ii) → (a) (iii) → (c)
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Match the polymers given in Column I with their main applications given in Column II.
Column I |
Column II |
||
(i) |
Bakelite |
(a) |
Unbreakable crockery |
(ii) |
Low-density polythene |
(b) |
Non-stick cookwares |
(iii) |
Melamine-formaldehyde resin |
(c) |
Packaging material for shock absorbance |
(iv) |
Nylon 6 |
(d) |
Electrical switches |
(v) |
Polytetrafluoroethane |
(e) |
Squeeze bottles |
(vi) |
Polystyrene |
(f) |
Tyre, cords |
1. (i) → (a) (ii) → (e) (iii) → (d) (iv) → (f) (v) → (b) (vi) → (c)
2. (i) → (e) (ii) → (d) (iii) → (a) (iv) → (f) (v) → (b) (vi) → (c)
3. (i) → (d) (ii) → (e) (iii) → (b) (iv) → (f) (v) → (a) (vi) → (c)
4. (i) → (d) (ii) → (e) (iii) → (a) (iv) → (f) (v) → (b) (vi) → (c)
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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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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 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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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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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
Which one is protein fibre ?
1. Cotton
2. Rayon
3. Silk
4. Polyster
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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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