Chemical Process Concentration of sulphide ores is done usually by Froth floatation Roasting Smelting Electro magnetic separation Froth floatation Roasting Smelting Electro magnetic separation ANSWER DOWNLOAD EXAMIANS APP
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. 90-100 250-300 15-30 90-100 250-300 15-30 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is used as a coagulant in water treatment? Hydrogen peroxide Chloramine Ferrous sulphate Chlorine Hydrogen peroxide Chloramine Ferrous sulphate Chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Dehydrogenation of ethyl benzene produces Naphthalene Phenol Styrene Benzoic acid Naphthalene Phenol Styrene Benzoic acid ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Widely used method for the conditioning of boiler feed water is the Hot-lime soda process Sequestration Cold lime process Coagulation Hot-lime soda process Sequestration Cold lime process Coagulation ANSWER DOWNLOAD EXAMIANS APP
Chemical Process __________ iron is the purest form of iron. Pig Wrought High silicon Cast Pig Wrought High silicon Cast ANSWER DOWNLOAD EXAMIANS APP
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