Chemical Process Roasting of metallurgical ores is done mainly to Remove arsenic & sulphur Dehydrate it Sinter the ore Remove CO₂ & H₂O Remove arsenic & sulphur Dehydrate it Sinter the ore Remove CO₂ & H₂O ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Alum [Al2(SO₄)₃] is used as a coagulant in water treatment to remove Colour Turbidity All of these Bacteria Colour Turbidity All of these Bacteria ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Detergent is produced by the sulphonation of dodecyl benzene, which is an __________ reaction. Irreversible Endothermic Both B and C Exothermic Irreversible Endothermic Both B and C Exothermic ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Phenol formaldehyde Employs addition polymerisation Is an abrasive material Employs condensation polymerisation Is a monomer Employs addition polymerisation Is an abrasive material Employs condensation polymerisation Is a monomer ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Very dilute solutions are generally used in fermentation reactions for which the optimum temperature range is __________ °C. 75 to 80 -5 to 0 30 to 50 5 to 10 75 to 80 -5 to 0 30 to 50 5 to 10 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Main use of hydrazine is As a disinfectant In water treatment As fire retardant As a rocket fuel As a disinfectant In water treatment As fire retardant As a rocket fuel ANSWER DOWNLOAD EXAMIANS APP
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