Chemical Process Exothermic condensation reaction of monochlorobenzene with chloral in presence of 20% oleum as catalyst produces DDT. The reaction temperature is maintained at __________ °C. 250-300 15-30 90-100 250-300 15-30 90-100 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Ethyl alcohol cannot be produced None of these From molasses By esterification and hydroloysis of ethylene From waste sulphite substrate of paper mills None of these From molasses By esterification and hydroloysis of ethylene From waste sulphite substrate of paper mills ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Shaving soaps are High free alkali soaps having excess of cane sugar and alcohol Soft potassium soaps (potassium salt of fatty acid) with free stearic acid to give lather a lasting property Metalic soaps compounded with frothing agents None of these High free alkali soaps having excess of cane sugar and alcohol Soft potassium soaps (potassium salt of fatty acid) with free stearic acid to give lather a lasting property Metalic soaps compounded with frothing agents None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Temperature during hydrogenation of oil should not be more than 200°C, otherwise it will result in Sintering of porous catalyst All of these Hydrogen embrittlement Pyrolysis of oil Sintering of porous catalyst All of these Hydrogen embrittlement Pyrolysis of oil ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Parathion and Malathion are Plasticisers for unsaturated polysters Tranquilisers Pain-relieving drugs (analgesic) Pesticides Plasticisers for unsaturated polysters Tranquilisers Pain-relieving drugs (analgesic) Pesticides ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Helium is produced on commercial scale from Coke oven gas Air Natural gas None of these Coke oven gas Air Natural gas None of these ANSWER DOWNLOAD EXAMIANS APP
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