Chemistry Electrolysis of an aqueous solution of copper sulphate using copper electrodes gives 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 Copper at anode and oxygen at cathode. Hydrogen at cathode and oxygen at anode ANSWER DOWNLOAD EXAMIANS APP
Chemistry Two elements which can form a large number of compounds are Carbon and Hydrogen Carbon and Nitrogen Carbon and Sulphur Carbon and Oxygen Carbon and Hydrogen Carbon and Nitrogen Carbon and Sulphur Carbon and Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant element in the human body is Nitrogen Oxygen Iron Carbon Nitrogen Oxygen Iron Carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to remove rust stains on cloth? Petrol Lime Oxalic acid solution Kerosene Petrol Lime Oxalic acid solution Kerosene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Air is said to be saturated when : Its thickness is maximum It blows over the barren land It contains maximum content of water vapour Its pressure is minimum Its thickness is maximum It blows over the barren land It contains maximum content of water vapour Its pressure is minimum ANSWER DOWNLOAD EXAMIANS APP
Chemistry Oxygen has (+) oxidation number only in N2O H2O (2) OF2 C12O N2O H2O (2) OF2 C12O ANSWER DOWNLOAD EXAMIANS APP
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