Chemistry Electrolysis of an aqueous solution of copper sulphate using copper electrodes gives Hydrogen at cathode and oxygen at anode Copper at anode and oxygen at cathode. Copper at cathode and oxygen at anode Copper at cathode and anodes dissolve to give copper Hydrogen at cathode and oxygen at anode Copper at anode and oxygen at cathode. Copper at cathode and oxygen at anode Copper at cathode and anodes dissolve to give copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following statement is correct ?Ozone is found in the earth's atmosphere mostly between 20 and 50 km 10 and 20 km 50 and 100 km 5 and 10 km 20 and 50 km 10 and 20 km 50 and 100 km 5 and 10 km ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal that is used as a catalyst in the hydrogenation of oils is Cu Pb Pt Ni Cu Pb Pt Ni ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most important ore of aluminium is magnetite haematite bauxite monazite magnetite haematite bauxite monazite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to remove rust stains on cloth? Oxalic acid solution Petrol Lime Kerosene Oxalic acid solution Petrol Lime Kerosene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following pollutants is main product of automobile exhaust ? CO CO2 Hydrocarbons NO CO CO2 Hydrocarbons NO ANSWER DOWNLOAD EXAMIANS APP
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