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 The purest form of water in nature is River water Rain water Sea water Lake water River water Rain water Sea water Lake water ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a nitrogenous fetiliser? Superphosphate Ammonium nitrate Urea Ammonium sulphate Superphosphate Ammonium nitrate Urea Ammonium sulphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is caused by the higher concentration of Nitrogen and Phosphorous ? Acidity Alkalinity Eutrophication Hardness Acidity Alkalinity Eutrophication Hardness ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is usually not an air-pollutant? Nitrous oxide Hydrocarbons Carbon dioxide Sulphur dioxide Nitrous oxide Hydrocarbons Carbon dioxide Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Higher concentration of nitrogen dioxide in atmosphere air causes Corrosion Cancer Bronchitis Asphyxiation Corrosion Cancer Bronchitis Asphyxiation ANSWER DOWNLOAD EXAMIANS APP
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