Chemistry In deep-sea diving, divers use a mixture of gases consisting of oxygen and Nitrogen Helium Argon Hydrogen Nitrogen Helium Argon Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The Refrigerant 'FREON' is Calcium Tetra Fluoride Hydrofluosilicic Acid Fluorspar and Felspar Difluoro Dichloro Methane Calcium Tetra Fluoride Hydrofluosilicic Acid Fluorspar and Felspar Difluoro Dichloro Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal used for making aircrafts and rockets is Aluminium Lead Nickel Copper Aluminium Lead Nickel Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a metallic ore ? Galena Feldspar Mica Quartz Galena Feldspar Mica Quartz ANSWER DOWNLOAD EXAMIANS APP
Chemistry Photo-oxidation process is initiated by Light Catalyst Oxygen Heat Light Catalyst Oxygen Heat ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iron and manganese present as pollutants in water cannot be removed by________ Ion exchange process Lime soda process or manganese zeolite process Chlorination Oxidation followed by settling and filtration Ion exchange process Lime soda process or manganese zeolite process Chlorination Oxidation followed by settling and filtration ANSWER DOWNLOAD EXAMIANS APP