Polypropylene compared to polythene is (A) Harder (B) Stronger (C) Lighter (D) All (A), (B) and (C)

Polypropylene compared to polythene is
(A) Harder
(B) Stronger
(C) Lighter
(D) All (A), (B) and (C)
by

1 Answer

Answer :

(D) All (A), (B) and (C)
by

Related questions

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What is the difference between polypropylene and PVC?

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Nylon is made up of : (1) Polyamide (2) Polyester (3) Polyethylene (4) Polypropylene

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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

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Last Answer : both I and II

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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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.

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The method of addition polymerization is used for obtaining: (A) Polystyrene (B) Polypropylene (C) Polyvinylchloride (D) All of thesea

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Nylon is made up of : (1) Polyamide (2) Polyester (3) Polyethylene (4) Polypropylene

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__________ polythene is most prone to stress-cracking (A) High density (B) Low density (C) Cross-linked (D) Linear low density

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Last Answer : (A) High density

Softening point of high density polythene is about __________ °C. (A) 85 (B) 135 (C) 165 (D) 205

Description : Softening point of high density polythene is about __________ °C. (A) 85 (B) 135 (C) 165 (D) 205

Last Answer : (B) 135

Density of low density polythene is about __________ gm/c.c. (A) 0.38 (B) 0.56 (C) 0.81 (D) 0.91

Description : Density of low density polythene is about __________ gm/c.c. (A) 0.38 (B) 0.56 (C) 0.81 (D) 0.91

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Which of the following is the lowest cost plastic commercially available? (A) Polythene (B) Teflon

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Last Answer : (A) Polythene

Catalyst used in the production of high density polythene by low pressure Ziegler process is(A) Aluminium triethyl activated with TiCl4(B) Platinum(C) Molybdenum(D) Nickel

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Last Answer : (A) Aluminium triethyl activated with TiCl4

Typical solvent polymerisation reaction conditions for the production of high density polythene by Zeigler process is (A) 7 kgf/cm2 and 70 °C (B) 1000 kgf/cm2 and 100°C (C) 7 kgf/cm2 and 700°C (D) 1 kgf/cm2 (gage) and 70°C

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Last Answer : (A) 7 kgf/cm2 and 70 °C

Pick out the wrong statement. (A) Polystyrene is a thermoplastic polymer (B) Protein is a natural polymer (C) Neoprene is a natural rubber (D) Polythene is a copolymer, while SBR is a homopolymer

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Last Answer : (C) Neoprene is a natural rubber