Chemistry Which of the following is a metallic ore ? Quartz Galena Feldspar Mica Quartz Galena Feldspar Mica ANSWER DOWNLOAD EXAMIANS APP
Chemistry Electrolysis of an aqueous solution of copper sulphate using copper electrodes gives Copper at anode and oxygen at cathode. Hydrogen at cathode and oxygen at anode Copper at cathode and anodes dissolve to give copper Copper at cathode and oxygen at anode Copper at anode and oxygen at cathode. Hydrogen at cathode and oxygen at anode Copper at cathode and anodes dissolve to give copper Copper at cathode and oxygen at anode ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ultra purification of a metal is done by : Slugging Zone melting Smelting Leaching Slugging Zone melting Smelting Leaching ANSWER DOWNLOAD EXAMIANS APP
Chemistry In upper layer of atmosphere ozone is formed by The action of nitrogen on oxygen in atmosphere The combination of oxygen molecules Subjecting oxygen to high pressure The action of ultraviolet rays on oxygen The action of nitrogen on oxygen in atmosphere The combination of oxygen molecules Subjecting oxygen to high pressure The action of ultraviolet rays on oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry ‘Aerosol’ is known as Green house gas present in air Suspended solid particles in air Pollutant gas, present in air Microbes, present in air Green house gas present in air Suspended solid particles in air Pollutant gas, present in air Microbes, present in air ANSWER DOWNLOAD EXAMIANS APP
Chemistry Inert gases are Miscible with water Not stable Chemically very active Chemically unreactive Miscible with water Not stable Chemically very active Chemically unreactive ANSWER DOWNLOAD EXAMIANS APP
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