Chemical Process Temporary hardness of water can be removed by Filtration (through gravity sand filter) Addition of lime Addition of alum (a coagulant) Boiling Filtration (through gravity sand filter) Addition of lime Addition of alum (a coagulant) Boiling ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Phosphate rock is a raw material for the manufacture of Phosphoric acid Phosphorous Superphosphates All of these Phosphoric acid Phosphorous Superphosphates All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Flux addition during smelting of ore is done to Accelerate reduction of ore Enhance rate of reaction Separate slag from metal Remove impurities/gangue Accelerate reduction of ore Enhance rate of reaction Separate slag from metal Remove impurities/gangue ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is not produced commercially from sea water? Magnesium & potassium compounds Bromine Common salt Iodine Magnesium & potassium compounds Bromine Common salt Iodine ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Dehydrogenation of isopropanol produces Acetone Formaldehyde Propyl alcohol Trichloroethylene Acetone Formaldehyde Propyl alcohol Trichloroethylene ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Fish contains about __________ percent oil. 35 20 5 10 35 20 5 10 ANSWER DOWNLOAD EXAMIANS APP
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