Description : Solvent used for dewaxing of petroleum products are (A) Furfural (B) Methyl ethyl ketone (MEK) (C) Propane (D) Both (B) & (C
Last Answer : (C) Propane
Description : The solvent used in Barisol dewaxing process is (A) Hexane (B) Furfural (C) Benzol and ethylene dichloride (D) Methyl ethyl ketone (MEK
Last Answer : (C) Benzol and ethylene dichloride
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 deoiling process is used for separating oil and soft wax from hard wax. Methyl iso-butyl ketone and methyl ethyl ketone (MEK) are two commonly used deoiling solvents. Use of former as the deoiling solvent ... nitration temperature (C) Lower solvent dilution ratio (D) All (A), (B) & (C)
Last Answer : (D) All (A), (B) & (C)
Description : Which of the following is used as a solvent in deasphalting of petroleum products? (A) Furfural (B) Propane (C) Methyl ethyl ketone (D) Liquid sulphur dioxide
Last Answer : (B) Propane
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 : The most suitable solvent for deasphalting vacuum residue is (A) Propane (B) Methyl ethyl ketone (C) Doctor's solution (D) Methanol amine
Last Answer : (B) Methyl ethyl ketone
Description : The commonly used solvent in supercritical extraction is (A) Methyl ethyl ketone (B) Water (C) Carbon tetrachloride (D) Carbon dioxide
Last Answer : (D) Carbon dioxide
Description : Solvent used for extraction of oil is (A) Hexane (B) Methyl ethyl ketone (C) Furfural (D) None of these
Last Answer : (A) Hexane
Description : Ethyl bromide reacts with sodium methoxide to form (a) Diethyl ether (b) Ethyl methyl ether (c) Dimethyl ether (d) n-Propyl alcohol
Last Answer : Ethyl methyl ether
Description : Doctor's solution used for sweetening of petroleum products is (A) Sodium plumbite (B) Sodium sulphite (C) Sodium thiosulphate (D) Lead sulphate
Last Answer : (A) Sodium plumbite
Description : Methyl tertiary butyl ether (MTBE), a high octane (octane no. = 115) gasoline blending component is produced by the simple additive reaction of isobutylene with (A) Methyl alcohol (B) Ethyl alcohol (C) Methane (D) Ethane
Last Answer : (A) Methyl alcohol
Description : __________ is produced using molasses as the starting raw material. (A) Methyl alcohol (B) Ethyl alcohol (C) Benzol (D) Dimethyl ether
Last Answer : (B) Ethyl alcohol
Description : What is different between methyl ethyl ketone and paint thinner?
Last Answer : paint thinner is any solvent used either to thin paint or cleanup after finishing painting, typically a mixture of organic solvents with mineral spirits being a major componentmethyl ethyl ketone is an ... be a component in a given brand of paint thinner, also available as a separate product
Description : When ethyl acetoacetate is subjected to ketonic hydrolysis, the ketone obtained is (a) Dimethyl ketone (b) Methyl ethyl ketone (c) Diethyl ketone (d) Methyl n-propyl ketone
Last Answer : Diethyl ketone
Description : Consider the following statements: 1. Methyl alcohol is added to denature ethyl alcohol. 2. Ethyl alcohol is also called grain alcohol. 3. Ethyl alcohol and dimethyl ether are isomers. 4. Swine flu is a viral disease, The correct ... ) 1, 3 and 4 only (c) 1, 2, 3 and 4 (d) 1, 2 and 3 only
Last Answer : Ans:(c)
Description : Which of the following would have the highest boiling point? (a) Dimethyl ether (b) Diethyl ether (c) Ethyl methyl ether (d) Diisopropyl ether
Last Answer : Diisopropyl ether
Description : Diethyl ether on heating with excess concentrated HI gives (a) Methyl iodide (b) Isopropyl iodide (c) Ethyl iodide (d) n-Propyl iodide
Last Answer : Ethyl iodide
Description : Which of the following reagents readily react with ethyl methyl ether? (a) NaOH (b) Conc HI (c) KMnO4 (d) H2O
Last Answer : Conc HI
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 : Pick out the undesirable property for a solvent meant for dewaxing of lube oil. (A) Complete miscibility with oil (B) High solubility of wax in the solvent (C) Both (A) and (B) (D) Neither (A) nor (B)
Last Answer : (C) Both (A) and (B)
Description : Ethyl acetate on heating with sodium ethoxide gives (a) Ethyl acetoacetate (b) Sodium acetate (c) Ethyl alcohol (d) Diethyl ether
Last Answer : Ethyl acetoacetate
Description : The doctor's solution comprises of sodium plumbite in (A) Alcohol (B) Water (C) Aqueous caustic soda (D) Soda ash
Last Answer : (C) Aqueous caustic soda
Description : Solution used in Doctor's treatment for the removal of mercaptans is (A) Sodium hydroxide (B) Sodium plumbite (C) Cupric chloride (D) Potassium isobutyrate
Last Answer : (B) Sodium plumbite
Description : In sweetening process, solutizer agent used with caustic alkali is (A) Potassium isobutyrate (B) Sodium plumbite (C) Methanol (D) Phenol
Last Answer : (A) Potassium isobutyrate
Description : An example of Humicant is a). Sodium alginate b). Glycerol c). Acetone d). Petroleum ether
Last Answer : b). Glycerol
Description : Furfural solvent extraction is used for upgrading (by dissolving aromatics) (A) Naphtha (B) Lubricating oils (C) Wax (D) Cracking feedstock
Last Answer : (B) Lubricating oils
Description : Solvent naphtha' used mostly as a solvent in paints and perfumery is produced by the __________ of virgin naphtha into small boiling range cuts. (A) Steam reforming (B) Distillation (C) Desulphurisation (D) None of these
Last Answer : (B) Distillation
Description : Gas released during Bhopal tragedy was – (1) Sodium isothiocyanate (2) Potassium isothiocyanate (3) Ethyl isothiocyanate (4) Methyl isothiocyanate
Last Answer : (4) Methyl isothiocyanate Explanation: Methyl isocyanate is an intermediate chemical in the production of carbamate pesticides. As a highly toxic and irritating material, it is extremely hazardous to human ... killed nearly 8,000 people initially and approximately 20,000 to 30,000 people in total.
Description : Gas released during Bhopal tragedy was - (1) Sodium isothiocyanate (2) Ethyl isothiocyanate (3) Potassium isothiocyanate (4) Methyl isothiocyanate
Last Answer : (4) Methyl isothiocyanate Explanation: The Bhopal disaster or Bhopal gas tragedy was an industrial accident. It happened at a Union Carbide subsidiary pesticide plant in the city of Bhopal, India. On ... tonnes of toxic Methyl Isocyanate (MIC) gas, exposing more than 500,000 people to toxic gases.
Description : Benzoyl chloride on basic-hydrolysis (NaOH/H2O) gives : (a) Benzoic acid (b) Methyl benzoate (c) Sodium benzoate (d) Ethyl benzoate
Last Answer : Sodium benzoate
Description : Gas released during Bhopal tragedy was : (1) Sodium isothiocyanate (2) Potassium isothiocyanate (3) Ethyl isothiocyanate (4) Methyl isothiocyanate
Last Answer : Methyl isothiocyanate
Description : Which of the following petroleum products contain minimum sulphur? (A) Naphtha (B) Kerosene (C) LSHS (D) Furnace oil
Last Answer : (A) Naphtha
Description : Which of the following fractions of petroleum contains maximum sulphur? (A) Diesel (B) Gasoline (C) Naphtha (D) Atmospheric residue
Last Answer : (D) Atmospheric residue
Description : Petroleum liquid fuels having flash point greater than 66°C is considered as safe during storage and handling. Which of the following has flash point > 66°C? (A) Naphtha (B) Petrol (C) Kerosene (D) Heavy fuel oil
Last Answer : (D) Heavy fuel oil
Description : Which is the most ideal feed stock for 'coking' process used for the manufacture of petroleum coke? (A) Naphtha (B) Vacuum residue (C) Light gas oil (D) Diesel
Last Answer : (B) Vacuum residue
Description : Commonly used thinner in (A) Lacquer paints, is alcohol (B) Cellulose paints is ethyl acetate (C) Oil paints, is naphtha (D) All the above
Last Answer : Answer: Option D
Description : An alcohol is related to an ester as a hydroxide compound is related to: w) an acid x) a ketone y) an ether z) a salt
Last Answer : ANSWER: Z -- A SALT
Description : When acetone is added in a two layer mixture of methyl isobutyl ketone and water at 30°C, the acetone distributes between the two layers and the composition of the layer follows two solubility curves. For this system ... at the concentration of the plait point (D) All (A), (B) and (C
Last Answer : (D) All (A), (B) and (C
Description : Bisphenol A is produced by the condensation of acetone with (A) Formaldehyde (B) Ethyl alcohol (C) Diethyl ether (D) Phenol
Last Answer : (D) Phenol
Description : Indicate the starting aldehyde or ketone from which each of the following compounds are formed by an aldol condensation reaction. (a)2-Ethyl-3-hydroxy
Last Answer : Indicate the starting aldehyde or ketone from which each of the following compounds are formed by an ... hexanal (b) 4-Hydroxy-4-methyl-2-pentanone
Description : Petrolatum is (A) Same as petroleum ether (B) Petroleum coke (C) A mixture of microcrystalline wax in viscous hydrocarbon liquids (D) None of these
Last Answer : (C) A mixture of microcrystalline wax in viscous hydrocarbon liquids
Description : All the following correctly describe the intermediate 3-OH-3-methyl glutaryl CoA except (A) It is generated enzymatically in the mitochondrial matrix (B) It is formed in the cytoplasm (C) It inhibits the first step in cholesterol synthesis (D) It is involved in the synthesis of ketone bodies
Last Answer : Answer : C
Description : Ethyl phenyl ether on reaction with excess HI yields
Last Answer : Ethyl phenyl ether on reaction with excess HI yields A. Ethyl iodide and iodobenzene B. Ethyl ... alcohol and phenol D. Ethyl alcohol and iodobezene
Description : Assertion (A): Diethyl ether reacts with hot Conc `H_(2)SO_(4)` and gives ethyl hydrogen sulphate Reason (R): The reaction involves cleavage of C-O bo
Last Answer : Assertion (A): Diethyl ether reacts with hot Conc `H_(2)SO_(4)` and gives ethyl hydrogen sulphate Reason (R ... R is false D. A is false but R is true
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 : Ethyl alcohol reacts with concentrated H2SO4 at 140°C to form (a) Acetone (b) Ethylene (c) Diethyl ether (d) Acetic acid
Last Answer : Diethyl ether
Description : Ethanol on heating with concentrated H2SO4 at 170°C gives (a) ethylene (b) ethyl hydrogen sulfate (c) diethyl ether (d) diethyl sulfate
Last Answer : ethylene
Description : Ethyl alcohol can react with concentrated H2SO4 to give (a) Ethylene (b) Diethyl ether (c) Ethyl hydrogen sulfate (d) All of these
Last Answer : All of these