Description : Nylon-66 is manufactured from (A) Adipic acid and Hexamethylene diamine (B) Caprolactam (C) Maleic anhydride and Hexamethylene diamine (D) Dimethyl terephthalate (DMT) and ethylene glycol
Last Answer : (A) Adipic acid and Hexamethylene diamine
Description : Dacron is a (A) Condensation polymerisation product of Hexamethylene diamine and adipic acid (B) Condensation polymerisation product of dimethyl terephthalate (DMT) and ethylene glycol (C) Thermosetting material (D) None of these
Last Answer : (D) None of these
Description : Reaction of dimethyl terephthalate (DMT) and ethylene glycol produces (A) Nylon-6 (B) Dacron (C) Polyester (D) PVC
Last Answer : (B) Dacron
Description : Reaction of ethylene glycol and dimethyl terephthalate (DMT) produces (A) Nylon-6 (B) Dacron (C) Polyester (D) PVC
Description : Nylon-66 is manufactured from (A) Hexamethylene diamine and adipic acid (B) Hexamethylene diamine and Maleic anhydride (C) Caprolactam (D) Dimethyl terephthalate and ethylene glycol
Last Answer : (A) Hexamethylene diamine and adipic acid
Description : Caprolactam, a raw material for the manufacture of nylon-6, isproduced from (A) Phenol (B) Naphthalene (C) Benzene (D) Pyridine
Last Answer : (C) Benzene
Description : Caprolactam (a raw material for nylon-6 manufacture) is produced from (A) Phenol (B) Naphthalene (C) Benzene (D) Pyridine
Description : Which of the following statements are false about benzene? (a) It is a planar molecule with bond angles 120°. (b) It is immiscible with water forming the lower layer. (c) It can be ... Ni catalyst. (d) It reacts with ethyl chloride in the presence of aluminium chloride to form ethylbenzene.
Last Answer : It is immiscible with water forming the lower layer
Description : Pick out the wrong statement. (A) Catalytic hydrogenation of carbon monoxide produces methyl alcohol (B) In nylon-6, the number 6 represents the total number of carbon atoms in the ring (C ... are benzene and chlorine (D) Ethanolamines are produced by using ammonia and ethylene oxide as raw material
Last Answer : (C) Raw materials for DDT manufacture are benzene and chlorine
Description : Ethylene oxide reacts with HBr to give (a) 1-Bromoethanol (b) Ethyl bromide (c) 2-Bromoethanol (c) Ethylene glycol
Last Answer : 2-Bromoethanol
Description : Ethylene reacts with oxygen in the presence of silver catalyst at 300°C to form (a) Diethyl ether (b) Ethylene glycol (c) Ethyl alcohol (d) Ethylene oxide
Last Answer : Ethylene oxide
Description : Which of the following statements is false? (a) Diethyl ether has been used as a general anesthetic (b) Ethyl alcohol is present in all alcoholic beverages (c) Methyl alcohol is produced by fermentation of sugars (d) Ethylene glycol is a common antifreeze for automobiles
Last Answer : Methyl alcohol is produced by fermentation of sugars
Description : Which of the following compounds is least soluble in water? (a) Glycerol (b) Ethyl alcohol (c) Ethylene glycol (d) Ethyl chloride
Last Answer : Ethyl chloride
Description : Ethylene oxide undergoes acid-hydrolysis to form (a) Ethylene glycol (b) Formic acid (c) Ethyl alcohol (d) Acetic acid
Last Answer : Ethylene glycol
Description : Starting material for the production of SBR is (A) Ethyl alcohol (B) Ethylene (C) Both (A) & (B) (D) Neither (A) nor (B)
Last Answer : (C) Both (A) & (B)
Description : Starting material for the production of styrene butadiene rubber (SBR) is (A) Ethyl alcohol (B) Ethylene (C) Both (A) & (B) (D) Neither (A) nor (B)
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 : Ethanol amine is produced using ammonia and (A) Ethyl benzene (B) Ethylene oxide (C) Ethanol (D) Ethane
Last Answer : (B) Ethylene oxide
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
Description : Starting raw material for the manufacture of Maleic anhydride is (A) n-butene (B) Benzene (C) Either (A) or (B) (D) Neither (A) nor (B)
Last Answer : (C) Either (A) or (B)
Description : Pick out the wrong statement. (A) For the manufacture of styrene, the major raw materials are benzene and ethylene (B) One important copolymer of styrene is SBR, which is widely ... D) Phenol manufacture by chlorobenzene-caustic process is competitive even when low cost chlorine is not available
Last Answer : (D) Phenol manufacture by chlorobenzene-caustic process is competitive even when low cost chlorine is not available
Description : Dacron is a (A) Condensation product of Hexamethylene diamine and adipic acid (B) Thermosetting material (C) Condensation product of dimethyl terephthalate and ethylene glycol (D) None of these
Description : A binary mixture of benzene and cyclohexane is separated by (A) Flash vaporisation (B) Extractive distillation (C) Solvent extraction (D) Ordinary distillation
Last Answer : (B) Extractive distillation
Description : Resorcinol on distillation with zinc dust gives (a) Benzene (b) Cyclohexane (c) Toluene (d) m-Xylene
Last Answer : Benzene
Description : Benzene reacts with H2 at 150°C at 30 atm in the presence of Ni catalyst to give (a) Cyclohexane (b) Cyclohexene (c) n-Hexane (d) No reaction occurs
Last Answer : Cyclohexane
Description : An organic compound (A) has a molecular weight 78 and an empirical formula CH. (A) is resistant to attack by oxidizing agents but undergoes substitution and addition reactions. X-ray analysis shows that the ... suggests that compound (A) is (a) Benzene (b) Cyclohexane (c) Toluene (d) n-Hexane
Description : Solvent used in the Udex (glycol) extraction process for removal of light aromatics from cracked naphtha is (A) Propane (B) Diethylene glycol (C) Aqueous solution (10% water) of diethylene glycol (D) Methyl ethyl ketone (MEK)
Last Answer : (C) Aqueous solution (10% water) of diethylene glycol
Description : Solvent used in duo-sol extraction for lube oil upgradation is a mixture of (A) Propane & phenol-cresol mixture (B) Methyl ethyl ketone & glycol (C) Phenol & furfural (D) Propane & liquid sulphur dioxide
Last Answer : (A) Propane & phenol-cresol mixture
Description : Plasticisers are high boiling liquids added to plastic polymers to impart toughness and flexibility at ordinary temperature. Which of the following is not a plasticiser? (A) Ethylene glycol (B) Stearic acid estors (C) Tricresyl phosphate (D) Esters of phthalic acid
Last Answer : (A) Ethylene glycol
Description : Synthetic polymer produced by using terephthalic acid and ethylene glycol is (A) Terylene (B) Nylon-66 (C) PVC (D) Polystyrene
Last Answer : (A) Terylene
Description : A suspension of glass beads in ethylene glycol has a hindered settling velocity of 1.7 mm/s, while the terminal settling velocity of a single glass bead in ethylene glycol is 17 mm/s. If the Richardson-Zaki hindered settling index ... in the suspension is (A) 0.1 (B) 0.4 (C) 0.6 (D) None of these
Last Answer : (C) 0.6
Description : Which is used in preparation of dynamite? (1) glycerol (2) ethyl alcohol (3) methyl alcohol (4) glycol
Last Answer : (1) glycerol Explanation: Dynamite is an explosive made of nitroglycerin, sorbents (such as powdered shells or clay) and stabilizers. It was invented by the Swedish chemist and engineer Alfred Nobel in Geesthacht, and patented in 1867.
Description : The alcohol used in the preparation of dynamite is----? A. ethyl alcohol B. glycerol (Answer) C. glycol D. methyl alcohol
Last Answer : B. glycerol (Answer)
Description : Scouring is a finishing operation during the manufacture of fibre, which aims at __________ of fibres. (A) Improving the stretchability (B) Dyeing/colouring (C) Detergent solution washing (D) Glycol soaking
Last Answer : (C) Detergent solution washing
Description : Ethylene glycol when heated in the presence of an hydrous `ZnCl_(2)` yields
Last Answer : Ethylene glycol when heated in the presence of an hydrous `ZnCl_(2)` yields A. Ethanal B. Ethylene oxide C. Dioxane D. Diethylene glycol
Description : Which IMF is the strongest in Ethylene Glycol (HOCH2CH2OH)?
Last Answer : These are hydrogen bonds and dispersion forces.
Description : Ethylene glycol test?
Last Answer : DefinitionEthylene glycol is a colorless, odorless, sweet-tasting but poisonous type of alcohol found in many household products. People sometimes drink ethylene glycol mistakenly or on purpose as a substitute ... into an airtight vial or tube attached to the needle. The elastic band is removed f
Description : Ethylene glycol intoxication?
Last Answer : DefinitionEthylene glycol is a colorless, odorless, sweet-tasting chemical found in many household products, including antifreeze, deicing products, detergents, paints, and cosmetics. It is poisonous if ... (ethanol).SymptomsThe first symptom of ethylene glycol ingestion is similar to the feeling ca
Description : Vitamin required for metabolism of diols e.g. conversion of ethylene glycol to acetaldehyde is (A) Thiamin (B) Cobalamin (C) Pyridoxine (D) Folic acid
Last Answer : Answer : B
Description : (3) prevents freezing of petrol Explanation: Ethylene glycol (IUPAC name: ethane-1,2-diol) is an organic compound widely used as an automotive antifreeze and a precursor to polymers. In its pure form, it is ... A mixture of 60% ethylene glycol and 40% water freezes at -45 degree C (- 49 degree F).
Last Answer : Rust is - (1) A mixture of Fe₂O₃ and Fe(OH) ₂ (2) A mixture of FeO and Fe(OH)₂ (3) FeO only (4) A mixture of Fe₂O₃, 3H₂O and FeO
Description : Teryleneisa condensation polymer of ethylene glycol and which acid? (1) Benzoic Acid (2) Salicylic acid (3) Phthalic acid (4) Terephthalic acid
Last Answer : (4) Terephthalic acid Explanation: Terylene is a co-polymer of ethylene glycol and Terephthalic acid. Also known as Dacron, it is prepared by the condensation polymerization of ethylene glycerol and. ... in the presence of a catalyst consisting of a mixture of zinc acetate and antimony trioxide.
Description : The chemical used in enabalining biological materials is – (1) formaldehyde in water (2) formaldehyde in methanol (3) ethylene glycol (4) gaseous formaldehyde
Last Answer : (1) formaldehyde in water Explanation: Embalming fluids use formaldehyde as a preservative. Formaldehyde is the simplest aldehyde with the chemical formula HCHO. Formalin is a solution of formaldehyde ... based embalming fluids are much kinder to the environment than those used in previous years.
Description : Vulcanization is the process of cross-linking polymer chains in rubber using (a) Sulfur. (b) Formaldehye. (c) Benzoyl peroxide. (d) Ethylene glycol.
Last Answer : Sulfur.
Description : The monomers for Buna-S are 1,3-butadiene and (a) Ethylene glycol (b) Adipic acid (c) Styrene (d) Caprolactum
Last Answer : Styrene
Description : Ethylene glycol reacts with dimethyl terephthalate to form (a) Nylon-6,6 (b) Teflon (c) Dacron (d) Orlon
Last Answer : Dacron
Description : Bakelite is obtained from : (a) Phenol and formaldehyde (b) Adipic acid and hexamethylene diamine (c) Dimethyl terephthalate and ethylene glycol (d) Neoprene
Last Answer : Phenol and formaldehyde
Description : Oxidation of acetaldehyde with Na2Cr2O7/H+ gives (a) Ethylene glycol (b) Acetic acid (c) Ethanol (d) Acetone
Last Answer : Acetic acid
Description : Which of the following is used as an antifreeze? (a) Ethylene glycol (b) Glycerol (c) Diethyl ether (d) Picric acid