Chemistry In drinking water supply, which of the following treatments is not involved Softening Coagulation Disinfection Sedimentation Softening Coagulation Disinfection Sedimentation ANSWER DOWNLOAD EXAMIANS APP
Chemistry The pollutant responsible for ozone holes is ________ CFC CO SO2 CO2 CFC CO SO2 CO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry PH scale ranges from 0 – 7 None 0 – 14 8 – 14 0 – 7 None 0 – 14 8 – 14 ANSWER DOWNLOAD EXAMIANS APP
Chemistry In organic compounds, nitrogen is estimated by Carius method Liebig's method Dumas method Victor-Meyer's method Carius method Liebig's method Dumas method Victor-Meyer's method ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant element by number in the living system is : Carbon Oxygen Nitrogen Hydrogen Carbon Oxygen Nitrogen Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The manufacture of iron from iron ore involves the process of Reduction Oxidation Electrolysis Fractional distillation Reduction Oxidation Electrolysis Fractional distillation ANSWER DOWNLOAD EXAMIANS APP