Chemistry The iron ore magnetite consists of 3Fe2O3 .. 3H2O Fe2O3 FeCO3 Fe3OH4 3Fe2O3 .. 3H2O Fe2O3 FeCO3 Fe3OH4 ANSWER DOWNLOAD EXAMIANS APP
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 Most poisonous pollutant in water is Zinc Detergent Phosphate Arsenic Zinc Detergent Phosphate Arsenic ANSWER DOWNLOAD EXAMIANS APP
Chemistry Solder is an alloy of Lead, zinc Copper, lead Sodium, lead Tin, lead Lead, zinc Copper, lead Sodium, lead Tin, lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ferrous sulphate is used in water treatment as a/an Oxidizing agent Coagulant aid Reducing agent Adsorbent Oxidizing agent Coagulant aid Reducing agent Adsorbent ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bhopal gas tragedy is associated with leakage of Methyl isocyanate Carbon dioxide Nitrogen dioxide Sulphur dioxide Methyl isocyanate Carbon dioxide Nitrogen dioxide Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP