Chemical Process Which of the following is used as a coagulant in treating turbid water? Activated carbon Chlorine Calcium sulphate Ferric sulphate Activated carbon Chlorine Calcium sulphate Ferric sulphate ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which is the main reducing agent during production of iron from iron ore in a blast furnace? C CO₂ H₂ CO C CO₂ H₂ CO ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Oil is a/an Solid at normal temperature Ester of alcohols other than glycerine Mixture of glycerides of fatty acids Mixture of glycerides Solid at normal temperature Ester of alcohols other than glycerine Mixture of glycerides of fatty acids Mixture of glycerides ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Flux addition during smelting of ore is done to Separate slag from metal Enhance rate of reaction Accelerate reduction of ore Remove impurities/gangue Separate slag from metal Enhance rate of reaction Accelerate reduction of ore Remove impurities/gangue ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Ca(OH)₂ is called Gypsum Slaked lime Quicklime Limestone Gypsum Slaked lime Quicklime Limestone ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Presence of carbonaceous matter in the sewage Causes reduction in its dissolved oxygen content thereby endangering the life of aquatic creatures Increases the quantity of chlorine used for its purification All of these Reduces sulphate ions to sulphides causing obnoxious smell Causes reduction in its dissolved oxygen content thereby endangering the life of aquatic creatures Increases the quantity of chlorine used for its purification All of these Reduces sulphate ions to sulphides causing obnoxious smell ANSWER DOWNLOAD EXAMIANS APP
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