Description : Unbreakable crockeries are made from __________ polymers. (A) Polystyrene (B) Melamine (C) Polystyrene (D) Polyurethane
Last Answer : (D) Polyurethane
Description : __________ polymer is used for making unbreakable crockery. (A) Thermoplastic (B) Melamine (C) Addition (D) None of these
Last Answer : (B) Melamine
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 : Transistor parts and refrigerator components are normally made of (A) Polystyrene (B) Polyester (C) High density polythene (D) Polyurethane
Last Answer : (A) Polystyrene
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.
Last Answer : Polystyrene
Description : Which of the following polymers shows the highest anti-tacking properties? (A) Melamine formaldehyde resin (B) Phenolic resin (C) Epoxy resin (D) Alkyd resin
Last Answer : (A) Melamine formaldehyde resin
Description : Which of the following polymers belong to the class of formaldehyde resin? (A) Melamine resins (B) Teflon (C) Dacron (D) None of these
Last Answer : (A) Melamine resins
Description : Thermocol is a spongy, porous, rigid or flexible foamed plastic, obtained by blowing gas/air through molten (A) Saturated polyester (B) Polyurethane (C) Polystyrene (D) Either (B) or (C)
Last Answer : (D) Either (B) or (C)
Description : Which one of the following polymers is obtained from condensation polymerization? (A) Phenol formaldehyde (B) Carbamide (C) Melamine-formaldehyde (D) All of these
Last Answer : Answer: Option D
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 : 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 : Which of the following polymers has the tendency of decomposing before melting? (A) Polystyrene (B) Nylon (C) PVC (D) None of these
Last Answer : (C) PVC
Description : Which one among the following polymers is used for making bullet-proof material? (1) Polyvinyl chloride (2) Polystyrene (3) Polyethylene (4) Polyamide
Last Answer : (3) Polyethylene Explanation: A bullet-proof material is made of polyethylene. It is a higher grade of the plastic found in Tupperware.
Description : The non-stick coating on pan and other cooking utensils is made from __________. a) rayon b)Teflon c)melamine d)PVC
Last Answer : b)Teflon
Description : Condensation polymerisation of formaldehyde with __________ does not produce phenolic resin. (A) Resorcinol (B) Phenol (C) Para-cresol (D) Melamine
Last Answer : (D) Melamine
Description : Cation exchange resins (0.3 to 1 mm size) used in water treatment is prepared from __________ resins. (A) Epoxy (B) Phenol formaldehyde (C) Urea formaldehyde (D) Melamine formaldehyde
Last Answer : (C) Urea formaldehyde
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 : __________ is produced by polymerisation of chloroprene. (A) Thiokol (a polysulphide rubber) (B) Butyl rubber (C) Neoprene (D) Polyurethane rubber
Last Answer : (C) Neoprene
Description : Condensation of bisphenol A with phosgene produces __________ which possess very good heat resistance. (A) Polyurethane (B) Polysulfone (C) Polycarbonate (D) Polyester
Last Answer : (C) Polycarbonate
Description : If you discovered you were unbreakable, do you think you would use that for good, be tempted to misuse it, or would simply keep is a secret, and not tell anyone?
Last Answer : I keep it a secretsecretsecret
Description : Know of any good unbreakable phones?
Last Answer : The Gz-one from verizon is water proof and such try that one
Description : I am said to be strong and unbreakable yet gental and kind. I may be suppressed but not ignored. I can be lost but may be found. I can die yet still live on. What am I? -Riddles
Last Answer : The sun.
Description : Is it possible to buy unbreakable glasses somewhere?
Last Answer : I feel like they were called duritky. They are still sold, they are bought mainly by kindergartens. Not that they don't break, they break, but they're not sharp shards, they're like balls. Similar to breaking the windshield of a car. http://www.mmilenium.cz/sklo-porcelan/sklenicky-a-duritky/
Description : How much does it cost for a Full set of uppers, with porclean teeth, unbreakable.?
Last Answer : How much does it cost for a Full set of uppers, with porclean teeth, unbreakable?
Description : __________ is not a condensation polymer. (A) Teflon (B) Nylon-66 (C) Dacron (D) Polystyrene
Last Answer : (A) Teflon
Description : __________ is a thermosetting plastic. (A) PVC (B) Polythene (C) Bakelite (D) Polystyrene
Last Answer : (C) Bakelite
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 : Glyptal used in the manufacture of paints & lacquers is a __________ polymer. (A) Polyamide (B) Polystyrene (C) Polyester (D) Polyacrylonitril
Last Answer : (C) Polyester
Description : Polystyrene is a __________ plastic at room temperature. (A) Ductile (B) Brittle (C) Malleable (D) None of these
Last Answer : (B) Brittle
Description : __________ is a thermosetting plastic. (A) Polythene (B) Epoxy polymer (C) P.V.C. (D) Polystyrene
Last Answer : (B) Epoxy polymer
Description : Rain coats are made of (A) Neoprene (B) PVC (C) Polyurethane (D) SBR
Last Answer : (B) PVC
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 : Melamine formaldehyde resin which has a very high anti tacking properties, is not used for the (A) Electrical insulation purpose (B) Tanning of leather (C) Strengthening of plaster of Paris (D) Decorative laminates
Last Answer : (C) Strengthening of plaster of Paris
Description : Hot drink (e.g., tea) cups are usually made of (A) Polystyrene (B) Polythene (C) Polypropylene (D) PVC
Description : Lavatory cisterns are normally made of (A) Expanded polystyrene (B) Saturated polyester (C) Perspex (D) PVC
Last Answer : (A) Expanded 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 : Bristles of tooth brushes are made of (A) Nylon-6 (B) Nylon-66 (C) Polystyrene (D) PVC
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 : 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 : 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 : In case of wet spinning of polymers, the polymer solution is forced through spinnerates into, a coagulating bath to give a filament form. Wet spinning is not used in case of the __________ fibres. (A) Viscose rayon (B) Acrylic (C) Polyvinyl acetate (D) Saturated polyeste
Last Answer : (D) Saturated polyeste
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 : In case of dry spinning of polymers, the polymer solution in a volatile solvent is forced through the spinnerates into a warm air chamber, where the solvent evaporates leaving behind the polymer in the filament ... is used for __________ fibres. (A) Polythene (B) PVC (C) Rayon (D) Polyvinyl acetate
Description : Cross linked polymers formed from bi-and trifunctional groups in which cross-linkage in three dimensions via few chemical bonding across linear chains occur imparts to the polymer __________ properties. (A) Thermoplastic (B) Thermosetting (C) Elastometric (D) Brittleness
Last Answer : (C) Elastometric
Description : What Polymer is Melamine ?
Last Answer : urea polymer melamine.
Description : Melamine is a native word ?
Last Answer : Melamine German word.
Last Answer : formaldehyde, Urea From Condensation Polymerization In reaction Urea Formaldehyde Resin That is Melamine Generated Is.
Description : Melmac is a polymer of melamine and
Last Answer : Melmac is a polymer of melamine and A. glycerol B. formaldehyde C. cyclohexane D. caprolactum
Description : Chemical name of melamine is:
Last Answer : Chemical name of melamine is: A. 1,3,5-Triazine-2,4,6-triamine B. 2-amino-1,3,5-triazine C. 2,4,6 ... -1,3,5-triazine D. 1,3,5-triamino-2,4,6-triazine