Description : __________ is normally used for the manufacture of refrigerator components and transistor parts. (A) Polypropylene (B) Polystyrene (C) Polyester (D) Polyurethane
Last Answer : (B) Polystyrene
Description : Which of the following is a copolymer? (A) Polystyrene (B) SBR (C) PTFE (D) Polypropylene
Last Answer : (B) SBR
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 : Hot drink (e.g., tea) cups are usually made of (A) Polystyrene (B) Polythene (C) Polypropylene (D) PVC
Last Answer : (A) Polystyrene
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 : 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 : The method of addition polymerization is used for obtaining: (A) Polystyrene (B) Polypropylene (C) Polyvinylchloride (D) All of thesea
Last Answer : Answer: Option D
Description : Alkyd resin is a/an (A) Polyamide (B) Polyester (C) Polyolefin (D) Addition polymer
Last Answer : (B) Polyester
Description : Which of the following best describes Nylon? w) polyamide x) polyester y) polyolefin z) acrylic
Last Answer : ANSWER: W -- POLYAMIDE
Description : Dacron is a: w) polyamide x) polyester y) polyether z) polyolefin
Last Answer : ANSWER: X -- POLYESTER
Description : Most of the fibre forming polymers are crystalline in nature, one of the exceptions being __________ which is amorphous in nature. (A) Nylon (B) Polyacrylonitrile (C) Polypropylene (D) Polyester
Last Answer : (B) Polyacrylonitrile
Description : Commercial production of polypropylene employs __________ polymerisation. (A) Emulsion (B) Suspension (C) Solution (D) Bulk
Last Answer : (C) Solution
Description : 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
Last Answer : (A) Terylene
Description : Melt spinning of polymers involves the forcing of polymer melt through spinnerates (fine holes) into an atmosphere kept at a temperature lower than the melting point of the polymer, which causes the fine diameter ... the __________ fibres. (A) Acrylic (B) Polyester (C) Nylon 6:6 (D) Polypropylene
Last Answer : (A) Acrylic
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 : __________ is a copolymer. (A) Nylon-66 (B) Polypropylene (C) PVC
Last Answer : (A) Nylon-66
Description : Vinyl flooring is done using __________ sheets. (A) Polypropylene (B) PVC (C) Polythene (D) Polyvinyl acetate
Last Answer : (B) PVC
Description : Flexible plastic pipes are made of (A) High density polyethylene (HDPE) (B) Low density polyethylene (LDPE) (C) Polypropylene (D) Unsaturated polyester
Last Answer : (B) Low density polyethylene (LDPE)
Description : Liners of bags are usually made of (A) Polythene (B) PVC (C) Polypropylene (D) Polyesters
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 : Polypropylene compared to polythene is (A) Harder (B) Stronger (C) Lighter (D) All (A), (B) and (C)
Last Answer : (D) All (A), (B) and (C)
Description : The most commonly used resin for making reinforced plastic is (A) Unsaturated polyester (B) Polypropylene
Last Answer : (A) Unsaturated polyester
Description : Insulation of liquid surface can be achieved by __________ on top of its surface. (A) Floating hollow polypropylene spheres (B) Spraying alumina powder (C) Putting cement (D) None of these
Last Answer : (A) Floating hollow polypropylene spheres
Description : Which of the following is not an elastomer? (A) Polyisoprene (B) Neoprene (C) Nitrile-butadiene (D) None of these
Last Answer : (D) None of these
Description : Rain coats are made of (A) Neoprene (B) PVC (C) Polyurethane (D) SBR
Description : __________ is a copolymer. (A) Styrene butadiene rubber (SBR) (B) Neoprene (C) PVC (D) None of these
Last Answer : (A) Styrene butadiene rubber (SBR
Description : __________ is a homopolymer. (A) Neoprene (B) Bakelite (C) Nylon-66 (D) Terylene
Last Answer : (A) Neoprene
Description : Neoprene is a (A) Monomer (B) Synthetic rubber (C) Polyester (D) None of these
Last Answer : (B) Synthetic rubber
Description : __________ is produced by polymerisation of chloroprene. (A) Thiokol (a polysulphide rubber) (B) Butyl rubber (C) Neoprene (D) Polyurethane rubber
Last Answer : (C) Neoprene
Description : Trade name of __________ is neoprene. (A) Polychlorophrene (B) Polyisoprene
Last Answer : (A) Polychlorophrene
Description : Tubeless tyres are made of __________ rubber, which is a co-polymer of isoprene & isobutylene. (A) Nitrile (B) Silicone (C) Neoprene (D) Buty
Last Answer : (D) Buty
Description : Buna-N is also called (A) Butyl rubber (B) Nitrile rubber (C) Neoprene (D) Thiokol
Last Answer : (B) Nitrile rubber
Description : Neoprene is chemically known as (A) Polybutadiene (B) Styrene butadiene rubber (SBR) (C) Polyurethane (D) Poly chloroprene
Last Answer : (D) Poly chloroprene
Description : Neoprene is rendered non-inflammable, because of (A) Its cross-linked structure (B) Its linear chain structure (C) The presence of chlorine atoms in its monomer (D) The absence of chlorine atoms in its monomer
Last Answer : (C) The presence of chlorine atoms in its monomer
Description : Neoprene is the trade name of (A) Polyurethane (B) Phenol formaldehyde (C) Polychlorophrene (D) Styrene butadiene rubber (SBR)
Last Answer : (C) Polychlorophrene
Description : The monomer for the production of neoprene rubber is (A) Acetylene (B) Chloroprene (C) Isoprene (D) None of these
Last Answer : (B) Chloroprene
Description : Neoprene which is used for making shoe heels & belts is superior to natural rubber in its stability to aerial oxidation and resistance to oils & other solvents. The monomer used for making neoprene is (A) Chloroethane (B) Chloroprene (C) Isoprene (D) None of these
Description : Caustic soda is transported in __________ lined containers. (A) Glass (B) Nickel (C) Neoprene (D) Either (B) or (C)
Last Answer : (D) Either (B) or (C)
Description : Isopropyl benzene produced by alkylation of benzene with propylene is known as (A) Neoprene (B) Cumene (C) Gelatin (D) Mercaptans
Last Answer : (B) Cumene
Description : Neoprene is the trade name of (A) Polyurethane (B) Phenol formaldehyde (C) Polychlorophrene (D) Styrene-butadiene rubber
Description : Neoprene is chemically known as (A) Polybutadiene (B) Styrene butadiene rubber (SBR) (C) Polyurethane (D) Polychlorophrene
Last Answer : (D) Polychlorophrene
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 : Which one of the following is not an elastomer? (A) Polyisoprene (B) Neoprene (C) Nitrile-butadiene (D) None of these
Description : __________ rubber is generally used for making 'O' rings used for vacuum sealings. (A) Natural (B) Neoprene (C) Butadiene (D) Nitrile
Last Answer : (B) Neoprene
Description : Is polypropylene biodegradable?
Last Answer : Polypropylene can be biodegradable if it is made with EBD(enhanced bio decompositions) which can be easily broken down,fairly quickly, back to base compounds. A variety of packaging cannow use biodegradable polypropylene.
Description : What is the difference between polypropylene and PVC?
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.
Description : Nylon is made up of : (1) Polyamide (2) Polyester (3) Polyethylene (4) Polypropylene
Last Answer : (1) Polyamide Explanation: Nylon is a generic designation for a family of synthetic polymers known generically as aliphatic polyamides. It is one of the most commonly used polymers.
Description : Color development in tomato fruit is due to a. Lycopene b. Carotenoid c. Polypropylene d. All of above
Last Answer : Lycopene
Description : Which of the following are condensation polymers? I. Polypropylene II. Teflon III. Nylon (a) Only I (b) Only II (c) Only III (d) Both II and III
Last Answer : Only III