Description : Addition polymerisation is not involved in the manufacture of (A) Low density polythene (B) Poly vinyl chloride (C) Polystyrene (D) Polyhexamethylene adipamide
Last Answer : (D) Polyhexamethylene adipamide
Description : __________ is produced using Polycondensation reaction. (A) Polythene (B) Phenol formaldehyde (C) Poly vinyl chloride (D) None of these
Last Answer : (B) Phenol formaldehyde
Description : Molecular weight of a polymer is equal to the molecular weight of the repeat unit multiplied by the degree of polymerisation. What is the molecular weight of poly vinyl chloride (PVC), if its degree of polymerisation is 800? (A) 50000 (B) 51600 (C) 49200 (D) 50800
Last Answer : (A) 50000
Description : Phenol formaldehyde is produced by condensation polymerisation. It is also known as (A) Teflon (B) Bakelite (C) Polyester (D) Nylon-66
Last Answer : (B) Bakelite
Description : __________ is a thermosetting plastic. (A) PVC (B) Polythene (C) Bakelite (D) Polystyrene
Last Answer : (C) Bakelite
Description : Which of the following is not a condensation polymer? (A) Bakelite (B) Melamine polymer (C) Poly-methyl-methacrylate (PMMA) (D) None of these
Last Answer : (C) Poly-methyl-methacrylate (PMMA)
Description : Pick out the wrong statement. (A) Addition polymers are generally formed by chain growth polymerisation (B) Condensation polymers are generally formed by step growth polymerisation (C) Teflon is formed by step growth polymerisation (D) Bakelite is formed by step growth polymerisation
Last Answer : C) Teflon is formed by step growth polymerisation
Description : Condensation polymerisation of __________ produces Bakelite. (A) Propylene (B) Phenol & formaldehyde (C) Phenol & acetaldehyde (D) Urea & formaldehyde
Last Answer : (B) Phenol & formaldehyde
Description : Condensation polymerisation is not involved in the manufacture of (A) Teflon (B) Polythene (C) Terylene (D) Nylon
Last Answer : (B) Polythene
Description : Polythene is a/an (A) Addition polymerisation product (B) Condensation polymerisation product (C) Thermosetting material (D) None of these
Last Answer : (A) Addition polymerisation product
Description : Polythene is a/an __________ polymerisation product. (A) Addition (B) Condensation (C) Thermosetting (D) None of these
Last Answer : (A) Addition
Description : __________ is a thermosetting plastic. (A) Polyvinyl chloride (B) Polythene (C) Bakelite (D) Teflon
Description : The synthetic plastic used for making insulation cover in electrical wires is ________. a ) Bakelite b)melamine c)Polyvinyl Chloride d)Poly styrene
Last Answer : c)Polyvinyl Chloride
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
Description : Poly Vinyl chloride (PVC) is a __________ material. (A) Thermoplastic (B) Thermosetting (C) Fibrous (D) Chemically active
Last Answer : (A) Thermoplastic
Description : The monomer of poly vinyl chloride (PVC) is (A) Chloroethane (B) Ethylene dichloride (C) Ethyl chloride (D) Chloroform
Last Answer : (A) Chloroethane
Description : Identify the group in which all the polymers mentioned can be used to make fibres. (A) Butadiene copolymers, Polyamides, Urea-formaldehyde (B) Cellulose derivatives, Polyisoprene, Polyethylene (C) Cellulose derivatives, Polyamides, Polyurethane (D) Polypropylene, Poly vinyl chloride, Silicon
Last Answer : (B) Cellulose derivatives, Polyisoprene, Polyethylene
Description : Poly Vinyl Chloride (P.V.C.) is a __________ material. (A) Thermosetting (B) Thermoplastic (C) Fibrous (D) Chemically active
Last Answer : (B) Thermoplastic
Description : Zeigler - Natta catalyst (AlR3 - AlCl3 ) is used in the polymerisation of (A) Vinyl acetate (B) Vinyl chloride (C) Propylene (D) Styrene
Last Answer : (C) Propylene
Description : 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
Last Answer : (A) PVC
Description : . Polyvinyl chloride (PVC) is (A) A thermosetting material (B) A condensation polymerisation product (C) Made by employing emulsion polymerisation (D) None of these
Last Answer : (C) Made by employing emulsion polymerisation
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 : 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 : PVC is obtained by the polymerisation of – (1) Propane (2) Vinyl chloride (3) Styrene (4) Acetylene
Last Answer : (2) Vinyl chloride Explanation: Polyvinyl chloride is produced by polymerization of the monomer vinyl chloride (17CM). Polyvinyl chloride, commonly abbreviated PVC, is the third-most widely produced ... it is cheaper and stronger than more traditional alternatives such as copper or ductile iron.
Description : Orlon is prepared by the polymerisation of (a) Vinyl cyanide (b) Allyl alcohol (c) Vinyl chloride (d) Allyl chloride
Last Answer : Vinyl cyanide
Description : PVC is obtained by the polymerisation of (1) Propane (2) Vinyl chloride (3) Styrene (4) Acetylene
Last Answer : Vinyl chloride
Description : Polycaprolactam (Nylon - 6) is produced by the condensation polymerisation of caprolactam at 240-280°C in which the conversion of caprolactam is about __________ percent. (A) 50 (B) 75 (C) 90 (D) 99
Last Answer : (C) 90
Description : __________ resins are produced by the condensation polymerisation of formaldehyde with urea or melamine. (A) Epoxy (B) Amino (C) Alkyd (D) Phenolic
Last Answer : (B) Amino
Description : Main constituent of natural rubber is (A) Polystyrene (B) Polyisoprene (C) Polybutadiene (D) Poly chloroprene
Last Answer : (B) Polyisoprene
Description : Contact lenses for eyes are made of Perspex, which is nothing but (A) poly-methyl-methacrylate (B) Polystyrene (C) Unsaturated polyester (D) Polypropylene
Last Answer : (A) poly-methyl-methacrylate
Description : For obtaining vinyl chloride acetate, the method used, is (A) Addition polymerization (B) Condensation polymerization (C) Co-polymerization (D) None of these
Last Answer : Answer: Option C
Description : Adipic acid is an intermediate in the manufacture of (A) Perspex (B) Nylon-66 (C) Polystyrene (D) Bakelite
Last Answer : (B) Nylon-66
Description : Ion exchange resins are made of (A) Lucite (B) Sulphonated Bakelite (C) Polystyrene (D) Teflon
Last Answer : (B) Sulphonated Bakelite
Description : Which of the following has the weakest intermolecular forces? (A) Polyisoprene (B) Nylon-66 (C) Polystyrene (D) Bakelite
Last Answer : (A) Polyisoprene
Description : Window panes of aeroplanes are normally made of (A) Perspex (PMMA) (B) Teflon (PTFE) (C) Bakelite (phenol formaldehyde) (D) Polystyrene
Last Answer : Option A
Description : Poly-tetra-fluoro ethylene (PTFE) is known as (A) Dacron (B) Teflon (C) Bakelite
Last Answer : (B) Teflon
Description : Poly-methyl-methacrylate (PMMA) is known as (A) Bakelite (B) Teflon (C) Perspex (D) Nylon-6
Last Answer : (C) Perspex
Description : Poly Tetrafluoroethylene (P.T.F.E.) is known as (A) Bakelite (B) Teflon (C) Celluloid (D) Dacron
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 : 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 : __________ 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 : Hot drink (e.g., tea) cups are usually made of (A) Polystyrene (B) Polythene (C) Polypropylene (D) PVC
Last Answer : (A) Polystyrene
Description : Which of the following is not a thermoplastic material? (A) Epoxy polymer (B) PVC (C) Polystyrene (D) Polythene
Last Answer : (A) Epoxy polymer
Description : Transistor parts and refrigerator components are normally made of (A) Polystyrene (B) Polyester (C) High density polythene (D) Polyurethane
Description : __________ is a thermosetting plastic. (A) Polythene (B) Epoxy polymer (C) P.V.C. (D) Polystyrene
Last Answer : (B) Epoxy polymer
Description : In step growth polymerisation, generally only one type of reaction & some basic mechanism is involved. Step growth polymerisation reaction is not involved in the manufacture of (A) Cross linked polystyrene (B) Phenol formaldehyde resins (C) Polyesters (D) Polyamides
Last Answer : (A) Cross linked polystyrene
Description : __________ scrap can be recycled & reutilised. (A) Bakelite (B) Epoxy resin (C) Polythene (D) None of these
Last Answer : (C) Polythene
Description : Which of the following is a copolymer? (A) PVC (B) Bakelite (C) Polythene (D) Teflon