0% 0 Chemical Process Quiz 1 1 / 50 99.5% purity oxygen is used in_______? All A, B, and C. Gas masks and artificial breathing apparatus Hospitals for medicinal purposes Cutting and welding by oxy-acetylene flame 2 / 50 _____ is a polysaccharide? Maltose Glucose Sucrose Starch 3 / 50 A bio-catalyst produced by living cells which acts independent of the cell is called a/an________? Substrate None of these Enzyme Nutrient 4 / 50 _____ are used as corrosion inhibitor for iron & steel in aqueous solutions ? Chromates Phosphates Bi-carbonates Sulphates 5 / 50 _______ Nature of hypo (sodium thiosulphate) makes it useful in photography ? Oxidising Photochemical Reducing Complex forming 6 / 50 A good quality coal should have ________? None of these High ash content Low fusion point of ash High sulphur content 7 / 50 _____ glass is used for the manufacture of optical glass ? Crooke?s Soda Pyrex Flint 8 / 50 ______ is a thermosetting plastic ? Epoxy polymer Polythene Polystyrene P.V.C. 9 / 50 _______ are added in lacquers to remove film brittleness and to improve adhereness? Film forming materials Diluents Solvents Plasticisers 10 / 50 A mixture of chlorine & sodium bromide acts as a/an__________? Insecticides Fire retardant Analgesic drug Hydrogenation catalyst 11 / 50 Alcohol is produced by the_____? Hydrolysis of an ether Oxidation of an aldehyde None of these Esterification of a fat 12 / 50 A unit operation is exemplified by the process of _____? Combustion Nitration Desorption Reduction 13 / 50 _____ process is used for the commercial production of nitric acid by the catalytic oxidation of ammonia ? Solvay None of these Ostwald?s Haber?s 14 / 50 _______ is a thermosetting plastic? Bakelite Polythene Teflon Polyvinyl chloride 15 / 50 ______ is used as a catalyst in fat splitting ? V2O5 FeO ZnO Ni 16 / 50 _____ iron is the purest form of iron? Pig Wrought High silicon Cast 17 / 50 ______ process is used for producing soda ash? Solvay Chance Chamber Tromp 18 / 50 Air used in aerobic fermentation must be sterilized, otherwise the _____? Contamination of pure culture would result Uniformity of product cannot be achieved None of these Recovery of product will be difficult 19 / 50 A ?unit process? is exemplified by the_____? Hydrogenation of oils Distillation Humidification Absorption 20 / 50 Alcohol content in freshly prepared natural and fortified wine may be respectively around _______ percent ? 7-14 and 40-50 7-14 and 14-30 14 ? 30 and 40-50 10 ? 20 and 40 ? 50 21 / 50 Acrylonitrile is mainly used in the ______ industry? Polymer Printing Photographic Dyeing 22 / 50 ?Synthesis gas? meant for the synthesis of organic compound is a variable mixture of ______? C & H2 CO & H2 CO2 & H2 N2 & H2 23 / 50 90% of the caprolactam is converted to nylon-6 on its condensation polymerisation in the reactor maintained at ______ ?C ? 250-280 500-600 30-Oct < 0 24 / 50 _________ acid is an unsaturated fatty acid ? Oxalic Oleic Stearic Palmitic 25 / 50 Adipic acid is an intermediate in the manufacture of_________? Perspex Nylon-66 Bakelite Polystyrene 26 / 50 _______ glass has the lowest co-efficient of thermal expansion and hence is more heat resistant ? High silica Soda lime Lead Pyrex 27 / 50 _________ is the major constituent of the Portland cement? Calcium carbonate Calcium oxide Molecular weights of polymers are in the range of___________ ? Tricalcium silicate Calcium sulphate 28 / 50 ________ of quicklime produces slaked lime ? Dehydration None of these Hydration Hydrogenation 29 / 50 _______ process is used for the manufacture of sodium carbonate by ammonia soda process? Ostwald?s Haber?s Solvay Bosch 30 / 50 __________ is produced using Polycondensation Reaction? Phenol formaldehyde None of these Poly vinyl chloride Polythene 31 / 50 ?Hollander beater? machine used in the paper manufacturing plant does not accomplish the task of______? Fibrillation of fibre Final rolling out of paper Hydration of fibres Cutting of fibres 32 / 50 _______ paper is used in the manufacture of newsprint paper ? Tissue Wrapping Board Ground-wood 33 / 50 ______ of rubber decreases after its vulcanisation? Tensile strength Resistance to the action of organic solvent Tackiness Maximum service temperature 34 / 50 _______ is used as a flux in the extraction of iron from iron ore (haematite) in blast furnace? Manganese Limestone Bauxite Quartz 35 / 50 Acetone is produced by catalytic dehydrogenation of__________? Isopropanol Phenol Naphthalene Ethyl benzene 36 / 50 _______ is obtained as a by-product in the manufacture of sodium hydroxide using brine ? Sodium carbonate Chlorine Ammonium chloride Sodium bi-carbonate 37 / 50 Addition of calcium oxide to water produces_____? All A , B. & C . Exothermic heat Slaked lime Hissing sound 38 / 50 Alkylbenzene sulfonate (ABS) is a______? Detergent Pesticide Rubber Polyester 39 / 50 _______ is produced by the dehydrogenation of ethyl benzene ? Cumene Styrene Ethyl alcohol Phenol 40 / 50 Alcohol percentage in molasses may be around _______? 10 70 85 40 41 / 50 _________ acid is the main constituent of cotton seed oil ? Oleic Palmitic Acetic Linoleic 42 / 50 10% oleum comprises of 10% free__________? H2SO3 SO3 H2SO4 SO2 43 / 50 ________ is used as a flux in the smelting of copper ore like chalcopyrite ? Dolomite Coke breeze Silica/quartz Lime powder 44 / 50 _______ is an ore concentrating metallurgical process involving a chemical change? Froth floatation None of these Roasting Electromagnetic separation 45 / 50 A mineral is termed as ?ore?, if ______? All A , B. and C. A metal can be economically extracted from it It contains ? 40% metal The metal present in it is costly 46 / 50 20% oleum means that in 100 kg oleum, there are 20 kg of_______? SO3 and 80kg of H2SO4 H2SO4 and 80kg of SO3 SO3 for each 100 kg of H2SO4 None of these 47 / 50 Absorption of SO3 in 97% H2SO4 is________? Not possible None of these Endothermic Exothermic 48 / 50 _______ is produced using molasses as the starting raw material ? Dimethyl ether Ethyl alcohol Benzol Methyl alcohol 49 / 50 __________ is not a constituent of gun powder? Carbon Charcoal Sulphur Potassium nitrate 50 / 50 _______ is an ore of lead? Galena Quartz Siderite Chalcopyrite Provide Your Information Your score is The average score is 0% LinkedIn Facebook Twitter 0% Restart quiz Send feedback Share on facebook Facebook Share on twitter Twitter Share on whatsapp WhatsApp PrevChemical Heat Transfer Quiz 10 Chemical Process Quiz 2Next
