Chemistry Ultraviolet radiation striking the earth is due to the depletion of Carbon dioxide Ozone Carbon monoxide Oxygen Carbon dioxide Ozone Carbon monoxide Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry One carat of diamond is equal to 150 mg 250 mg 100 mg 200 mg 150 mg 250 mg 100 mg 200 mg ANSWER DOWNLOAD EXAMIANS APP
Chemistry In organic compounds, nitrogen is estimated by Dumas method Liebig's method Victor-Meyer's method Carius method Dumas method Liebig's method Victor-Meyer's method Carius method ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemical formula of washing soda is Na2SO4.10H2O NaHCO3 Ca(OH)2 Na2CO3.10H2O Na2SO4.10H2O NaHCO3 Ca(OH)2 Na2CO3.10H2O ANSWER DOWNLOAD EXAMIANS APP
Chemistry In electro-refining, the pure metal is deposited on Electrolyte Cathode Vessel Anode Electrolyte Cathode Vessel Anode ANSWER DOWNLOAD EXAMIANS APP
Chemistry How many electrons in a Hydrogen atom Four Two One Three Four Two One Three ANSWER DOWNLOAD EXAMIANS APP