Chemistry Electrolysis of an aqueous solution of copper sulphate using copper electrodes gives Copper at cathode and oxygen at anode Copper at cathode and anodes dissolve to give copper Copper at anode and oxygen at cathode. Hydrogen at cathode and oxygen at anode Copper at cathode and oxygen at anode Copper at cathode and anodes dissolve to give copper Copper at anode and oxygen at cathode. Hydrogen at cathode and oxygen at anode ANSWER DOWNLOAD EXAMIANS APP
Chemistry Aluminium can be purified by Ozonolysis Distillation Electrolysis Oxidation Ozonolysis Distillation Electrolysis Oxidation ANSWER DOWNLOAD EXAMIANS APP
Chemistry When lime juice is dropped on baking soda, brisk effervescence takes place because the gas evolved is All of them Hydrogen Carbon dioxide Oxygen All of them Hydrogen Carbon dioxide Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The Latin word formica means ant. The name formic acid is derived from this Latin word because this corrosive acid is secreted by ants to drive away their enemies ants are attracted by the odour of this acid this acid, in ancient times, was used to eliminate ant-hills this acid was first obtained by the distillation of ants this corrosive acid is secreted by ants to drive away their enemies ants are attracted by the odour of this acid this acid, in ancient times, was used to eliminate ant-hills this acid was first obtained by the distillation of ants ANSWER DOWNLOAD EXAMIANS APP
Chemistry The items amenable to detection by soft x-rays are narcotics lead in bullets genuine coins from counterfeit coins contrabands narcotics lead in bullets genuine coins from counterfeit coins contrabands ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a renewable source of energy ? Geothermal powder Uranium Natural gas Coal Geothermal powder Uranium Natural gas Coal ANSWER DOWNLOAD EXAMIANS APP
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