Chemistry Electrolysis of an aqueous solution of copper sulphate using copper electrodes gives Copper at anode and oxygen at cathode. Copper at cathode and anodes dissolve to give copper Copper at cathode and oxygen at anode Hydrogen at cathode and oxygen at anode Copper at anode and oxygen at cathode. Copper at cathode and anodes dissolve to give copper Copper at cathode and oxygen at anode Hydrogen at cathode and oxygen at anode ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following elements is least likely to be found in commercial fertilisers? Silicon Nitrogen Phosphorous Potassium Silicon Nitrogen Phosphorous Potassium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Element 106 was discovered by Seaborg Rutherford Kurchatove Lawrence Seaborg Rutherford Kurchatove Lawrence ANSWER DOWNLOAD EXAMIANS APP
Chemistry Oxygen which is vital for life is a product of photosynthesis and comes from Carbonates from soil Oxides of mineral elements Carbon dioxide Water Carbonates from soil Oxides of mineral elements Carbon dioxide Water ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is a natural colloid ? Cane-sugar Blood Urea Sodium chloride Cane-sugar Blood Urea Sodium chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry Mercury is a : Solid metal Liquid metal Solid non-metal Liquid non-metal Solid metal Liquid metal Solid non-metal Liquid non-metal ANSWER DOWNLOAD EXAMIANS APP
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