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

1 Answer

Answer :

(A) Polythene

Related questions

Description : __________ is a thermosetting plastic. (A) Polyvinyl chloride (B) Polythene (C) Bakelite (D) Teflon

Last Answer : (C) Bakelite

Description : The first fully synthetic plastic was_________. a) Bakelite b)melamine c)Teflon d)polythene

Last Answer : a) Bakelite

Description : P.T.F.E. (Poly tetra fluoro ethylene) is commercially known as (A) Bakelite (B) Neoprene (C) Teflon (D) Nylon-66

Last Answer : (C) Teflon

Description : __________ tubes are good substitute for human blood vessels on heart by-pass operation. (A) PVC (B) Polythene (C) Teflon/Dacron (D) Polystyrene

Last Answer : (C) Teflon/Dacron

Description : Condensation polymerisation is not involved in the manufacture of (A) Teflon (B) Polythene (C) Terylene (D) Nylon

Last Answer : (B) Polythene

Description : Which of the following is a copolymer? (A) PVC (B) Bakelite (C) Polythene (D) Teflon

Last Answer : (B) Bakelite

Description : 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

Last Answer : (B) Polythene

Description : __________ is a thermosetting plastic. (A) PVC (B) Polythene (C) Bakelite (D) Polystyrene

Last Answer : (C) Bakelite

Description : __________ is a thermosetting plastic. (A) Polythene (B) Epoxy polymer (C) P.V.C. (D) Polystyrene

Last Answer : (B) Epoxy polymer

Description : Which of the following is used to make light weight, but strong plastic? (1) Nylon (2) Polythene (3) Polyvinyl Chloride (4) Methyl Methacrylate

Last Answer : (3) Polyvinyl Chloride Explanation: Polyvinyl chloride (PVC) is a common, strong but lightweight plastic that is used in making tough plastic. It is used for flexible applications such ... cables. It is the third-most widely produced synthetic plastic polymer, after polyethylene and polypropylene.

Description : PVC stands for (A) Plastic very compact (B) Polythene vinyl chloride (C) Polythene vinyl carbon (D) Polythene vanadium carbide

Last Answer : Answer: Option B

Description : Which of the following is polymeric solid? a) Nylon b) Plastic c) Polythene d) All of above

Last Answer : d) All of above

Description : Which of the following is used to make light weight, but strong plastic ? (1) Nylon (2) Polythene (3) Polyvinyl Chloride (4) Methyl Methacrylate

Last Answer : Polyvinyl Chloride

Description : The name of plastic polymer from which combs, toys, bowls etc., can be made, is (1) Polyurethane (2) Polystyrene (3) Metallic polysulphides (4) Teflon

Last Answer : (2) Polystyrene Explanation: Polystyrene is an synthetic aromatic polymer made from the monomer styrene, a liquid petrochemical. It is one of the most widely used plastics. Uses include protective ... containers (such as "clamshells"), lids, bottles, trays, tumblers, and disposable cutlery.

Description : The 'dielectric constant' is a numerical value indicating the effectiveness of a dielectric material in comparison to that of a standard, which is _______________. A. paper or cloth B. glass or mica C. plastic or Teflon D. dry air or a vacuum

Last Answer : Answer: D

Description : The name of plastic polymer from which combs, toys, bowls etc., can be made, is (1) Polyurethane (2) Polystyrene (3) Metallic polysulphides (4) Teflon

Last Answer : Polystyrene

Description : Shampoos are commercially not available in the form of (A) Powder (B) Gaseous mixture (C) Solution (D) Emulsion

Last Answer : Option B

Description : Are there any commercially available USB flash drives that offer additional security?

Last Answer : answer:To do that, either the security would be baked into the silicon, or would have to be in a separate (hidden?) partition on the USB drive. They definitely exist. http://www.ironprotector. ... secure USB' like the ones above are notably better than doing good encryption on a regular USB drive.

Description : If you have a requirement to buy a large commercially available prefabricated wash rack?

Last Answer : Need answer

Description : What was the name of the first commercially available microprocessor chip? A) Intel 308 B) Intel 33 C) Intel 4004 D) Motorola 639

Last Answer : Answer : C

Description : Oldest commercially available fertilizer

Last Answer : Ans. SSP (16-18%P2O5 )

Description : ________ is the unauthorized copying of an organization’s internally developed software or the illegal duplication of commercially available software. A. Software license B. Software Piracy C. Both (A) and (B) D. None of the above.

Last Answer : B. Software Piracy

Description : world's first commercially mass-produced and marketed hybrid automobile was the Toyota above. Prius. It became available on the Japanese market in what year? A 1998 B. 1996 C. 1997 D 1999

Last Answer : C. 1997

Description : What was the name of the first commercially available microprocessor chip? a. Intel 308 b. Intel 33 c. Intel 4004 d. Motorola 639

Last Answer : c. Intel 4004

Description : What was the name of the first commercially available microprocessor chip? a. Intel 308 b. Intel 33 c. Intel 4004 d. Motorola 639

Last Answer : c. Intel 4004

Description : . In which herbicide, micro-capsulation for mula is commercially available a). Alachlor b). Metachlor c). Both a and b d). Atrazine

Last Answer : c). Both a and b

Description : The commercially available 8-input multiplexer integrated circuit in the TTL family is (A) 7495. (B) 74153. (C) 74154. (D) 74151.

Last Answer : Ans: B MUX integrated circuit in TTL is 74153.

Description : Though tin occurs lower than iron in the electrochemical series, yet it is coated on steel for corrosion protection, because of its (A) Lower cost (B) Abundant availability (C) Resistance to vegetable acids as the tin plate are commercially used in 'canning' industry (D) None of these

Last Answer : (C) Resistance to vegetable acids as the tin plate are commercially used in 'canning' industry

Description : Styrene which is a monomer for the production of polystyrene, is commercially produced by the (A) Catalytic dehydrogenation of ethyl benzene (B) Dehydration of ethyl alcohol followed by hydrogenation (C) Reacting ethylene oxide with acetaldehyde (D) Fermentation of starch

Last Answer : (A) Catalytic dehydrogenation of ethyl benzene

Description : Styrene butadiene rubber is commercially manufactured by (A) Bulk polymerisation (B) Suspension polymerisation (C) Solution polymerisation (D) Emulsion polymerisation

Last Answer : (D) Emulsion polymerisation

Description : The generic chemical name for the class of polymers which are commercially known as nylons is (A) Polyolefins (B) Polyamide (C) Polyacrylate (D) Polyurethane

Last Answer : (B) Polyamide

Description : Petroleum coke is commercially produced by the __________ process. (A) Hydrocracking (B) Visbreaking (C) Fluid catalytic cracking (D) Delayed coking

Last Answer : (D) Delayed coking

Description : Which of the following is not a commercially used feed-stock for the production of ammonia synthesis gas? (A) Water (B) Naphtha (C) Tar (D) Coal/coke oven gas

Last Answer : (C) Tar

Description : Alum is commercially produced from (A) Gypsum (B) Feldspar (C) Galena (D) Bauxite

Last Answer : (D) Bauxite

Description : Polycaprolactam is commercially known as (A) Nylon-6 (B) Nylon-66 (C) Dacron (D) Rayon

Last Answer : (A) Nylon-6

Description : Nitro-glycerine absorbed in wood flour, sodium nitrate or ammonium nitrate is commercially used as controlled explosive called dynamite. The raw material used for its manufacture are glycerine, nitric acid and (A) Sulphuric acid (B) Phosphoric acid (C) Hydrochloric acid (D) Hydrofluoric acid

Last Answer : (A) Sulphuric acid

Description : Bleaching powder (chemically known as calcium chloro hypochlorite) is commercially produced by the action of chlorine on (A) Slaked lime (B) Soda lime (C) Calcium perchlorate (D) None of these

Last Answer : (A) Slaked lime

Description : Hydrogen gas is not produced commercially (for nitrogenous fertiliser manufacture) by (A) Iron-steam reaction (B) Electrolysis of water (C) Steam reforming of naphtha (D) Its cryogenic separation from coke oven gas

Last Answer : (A) Iron-steam reaction

Description : Commercially ethylene is produced from naphtha by (A) Catalytic cracking (B) Catalytic dehydrogenation (C) Pyrolysis (D) Hydrocracking

Last Answer : (D) Hydrocracking

Description : Styrene (a monomer for the production of polystyrene) is commercially produced by (A) Catalytic dehydrogenation of ethyl benzene (B) Dehydration of ethyl alcohol followed by hydrogenation (C) Reacting ethylene oxide with acetaldehyde (D) Fermentation of starch

Last Answer : (A) Catalytic dehydrogenation of ethyl benzene

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

Last Answer : (A) High density

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

Last Answer : (B) 135

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

Last Answer : (D) 0.91

Description : 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

Last Answer : (A) Aluminium triethyl activated with TiCl4

Description : 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

Last Answer : (A) 7 kgf/cm2 and 70 °C

Description : 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

Last Answer : (C) Neoprene is a natural rubber

Description : 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

Last Answer : (A) Polymeric fibres are never produced by addition polymerisation

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

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

Description : Hot drink (e.g., tea) cups are usually made of (A) Polystyrene (B) Polythene (C) Polypropylene (D) PVC

Last Answer : (A) Polystyrene

Description : Vinyl flooring is done using __________ sheets. (A) Polypropylene (B) PVC (C) Polythene (D) Polyvinyl acetate

Last Answer : (B) PVC