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 of the following is a secondary pollutant ? NO PAN CO SO2 NO PAN CO SO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The scientist who experimentally proved the existance of positron is Bethe Bohr Anderson Fermi Bethe Bohr Anderson Fermi ANSWER DOWNLOAD EXAMIANS APP
Chemistry Rock salt is a mineral containing Sodium Potassium Iron Magnesium Sodium Potassium Iron Magnesium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The oxidation number of nickel in K4[Ni(CN)4] is 8 4 Zero –4 8 4 Zero –4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry When Hydrogen starts burning in air, it produces ? Ammonia Water Carbonic Acid Methane Ammonia Water Carbonic Acid Methane ANSWER DOWNLOAD EXAMIANS APP
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