Chemistry Ultraviolet rays can be used in water treatment as Flocculator Precipitator Hydrolyser Disinfectant Flocculator Precipitator Hydrolyser Disinfectant ANSWER DOWNLOAD EXAMIANS APP
Chemistry Laughing gas is Nitrogen pentoxide Nitric oxide Nitrous oxide Nitrogen trioxide Nitrogen pentoxide Nitric oxide Nitrous oxide Nitrogen trioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The alkaloid naturally found in coffee, cocoa and cola nut is Caffeine Morphine Cocaine Tannin Caffeine Morphine Cocaine Tannin ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant element is Nitrogen Oxygen Calcium Silicon Nitrogen Oxygen Calcium Silicon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Magnetite is FeCO3 Fe2O3 Fe3O4 2Fe2O3. 3H2O FeCO3 Fe2O3 Fe3O4 2Fe2O3. 3H2O ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemical name of bleaching powder is : Calcium bi chloride Calcium chlorate Calcium chloro hypochlorite Calcium hypochlorite Calcium bi chloride Calcium chlorate Calcium chloro hypochlorite Calcium hypochlorite ANSWER DOWNLOAD EXAMIANS APP
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