Chemical Process __________ is used as a flux in the smelting of copper ore like chalcopyrite. Coke breeze Silica/quartz Lime powder Dolomite Coke breeze Silica/quartz Lime powder Dolomite ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Average sulphur content in Indian pyrites is about __________ percent. 55 35 15 70 55 35 15 70 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Use of chlorine in the treatment of sewage Helps in grease separation Causes bulking of activated sludge Increases the biological oxygen demand(BOD) Aids in flocculation Helps in grease separation Causes bulking of activated sludge Increases the biological oxygen demand(BOD) Aids in flocculation ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Phthalic anhydride is made by the Oxidation of benzene Dehydrogenation of ethyl benzene Oxidation of naphthalene None of these Oxidation of benzene Dehydrogenation of ethyl benzene Oxidation of naphthalene None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Removal of dirt/soil by soaps or detergent does not involve the __________ of soil. Emulsification Precipitation Wetting Dispersion Emulsification Precipitation Wetting Dispersion ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The catalyst used in the manufacture of DDT is Alumina Aluminium chloride Silica 20% oleum Alumina Aluminium chloride Silica 20% oleum ANSWER DOWNLOAD EXAMIANS APP
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