Which of the following are addition polymers? I. Polypropylene II. Teflon III. Nylon (a) Only I (b) Only II (c) Only III (d) both I and II

Which of the following are addition polymers?
I. Polypropylene
II. Teflon
III. Nylon
(a) Only I
(b) Only II
(c) Only III
(d) both I and II
by

1 Answer

Answer :

both I and II
by

Related questions

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Last Answer : Only III

Which of the following is an example of a condensation polymer? (a) Nylon-6,6 (b) Teflon (c) Polypropylene (d) Orlon

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Last Answer : (B) Polyacrylonitrile

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Last Answer : (B) Cellulose derivatives, Polyisoprene, Polyethylene

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Last Answer : Dacron

Which of the following is a thermosetting polymer? (a) Bakelite (b) Nylon-6,6 (c) Polyethylene (d) Teflon

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Arrange the following Polymers in increasing order of inter molecular forces Nylon 6, Neoprene and PVC

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Cellulose acetate has very high film permeability among all the polymers of the order of 5000 gm/100 m2 . Which of the following polymers has the maximum film elongation (of the order of 100%)? (A) Water impermeable cellophane(B) Polythene(C) Cellulose acetate(D) Teflon

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Last Answer : (B) Polythene

Which of the following polymers is used for making a non stick coatingon frying pans?(A) Bakelite(B) Teflon(C) Perspex(D) PVC

Description : Which of the following polymers is used for making a non stick coatingon frying pans? (A) Bakelite (B) Teflon (C) Perspex (D) PVC

Last Answer : (B) Teflon

Which of the following polymers belong to the class of formaldehyde resin? (A) Melamine resins (B) Teflon (C) Dacron (D) None of these

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Which of the following is the correct sequence of events in the origin of life? I. Formation of protobionts II. Synthesis of organic monomers III. Synthesis of organic polymers IV. Formation of DNA-based genetic systems (a) I, II, III, IV (b) I, III, II, IV (c) II, III, I, IV (d) II, III, IV, I

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Last Answer : c) II, III, I, IV

Which of the following polymers are produced by employing all bulk polymerisation, solution polymerisation & suspension polymerisation technique of addition (chain) polymerisation(A) PVC(B) Bakelite(C) PTFE(D) Epoxy resin

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Last Answer : (A) PVC

Pick out the wrong statement. (A) Polymeric fibres are never produced by addition polymerisation (B) Property of tackiness is exhibited by uncured rubber (C) Sharp melting point is not observed in thermoplastic polymers (D) Polythene generally has an excellent resistance to ultra violet rays

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Addition of plasticisers to polymers results in partial neutralisation of intermolecular forces of attraction between the macro-molecules thereby increasing its (A) Tensile strength (B) Chemical resistance (C) Flexibility (D) All (A), (B) & (C)

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__________ is an addition polymer (A) Nylon (B) Bakelite (C) Polythene (D) None of these

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Which statement about the carbonyl group of ketones and aldehydes is true? I. It can attract nucleophiles. II. It can attract electrophiles. III. It tends to undergo addition reactions. IV. It tends to undergo substitution reactions. (a) I and III (b) II and IV (c) I, II, and III (d) I, III, and IV

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Last Answer : I, II, and III

Which of following statements is false about propane? (a) all bond angles are 109.5° (b) each carbon is sp3 hybridized (c) the compound is combustible (d) the compound undergoes polymerization to give polypropylene.

Description : Which of following statements is false about propane? (a) all bond angles are 109.5° (b) each carbon is sp3 hybridized (c) the compound is combustible (d) the compound undergoes polymerization to give polypropylene.

Last Answer : the compound undergoes polymerization to give polypropylene.

Polypropylene is preferred to polythene, because the former is (A) Non-inflammable (B) Harder (C) Stronger (D) Both (B) & (C)

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Last Answer : (D) Both (B) & (C

Addition gain of 10 db is used for testing. (i) ‘D’ marked rails on single lines. (ii) ‘D’ marked rails on double lines. (iii) Testing on single line and ‘D’ marked rails on double/multiple lines section.* (iv) None of above.

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Is polypropylene biodegradable?

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What is the difference between polypropylene and PVC?

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Last Answer : PVC is the most common plastic used in book covering materials, and has been used for many years. Polypropylene has become more common recently. Both of these plastics have different handling characteristics. PVC is ... plastic. PVC is known to have a low level of acidity. PVC is cheaper than PP.

__________ is normally used for the manufacture of refrigerator components and transistor parts. (A) Polypropylene (B) Polystyrene (C) Polyester (D) Polyurethane

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Last Answer : (B) Polystyrene

Commercial production of polypropylene employs __________ polymerisation. (A) Emulsion (B) Suspension (C) Solution (D) Bulk

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Last Answer : (C) Solution

Which of the following is a copolymer? (A) Polystyrene (B) SBR (C) PTFE (D) Polypropylene

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Last Answer : (B) SBR

In step growth polymerisation, condensation occurs in a stepwise manner with or without the elimination of smaller molecules. An example of step growth polymerisation product is (A) Terylene (B) Polybutadiene (C) PVC (D) Polypropylene

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Last Answer : (A) Terylene

Benzoyl chloride is not used as a catalyst in the manufacture of (A) Polystyrene (B) Polyvinyl acetate (C) Polypropylene (D) Polyvinyl chloride-co-vinyl acetate

Description : Benzoyl chloride is not used as a catalyst in the manufacture of (A) Polystyrene (B) Polyvinyl acetate (C) Polypropylene (D) Polyvinyl chloride-co-vinyl acetate

Last Answer : (C) Polypropylene