Chemistry Electrolysis of an aqueous solution of copper sulphate using copper electrodes gives Hydrogen at cathode and oxygen at anode Copper at cathode and oxygen at anode Copper at anode and oxygen at cathode. Copper at cathode and anodes dissolve to give copper Hydrogen at cathode and oxygen at anode Copper at cathode and oxygen at anode Copper at anode and oxygen at cathode. Copper at cathode and anodes dissolve to give copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry If there is one million Mg2+ ions in MgCl2, how many chloride ions are there? Two million One million Ten million Half a million Two million One million Ten million Half a million ANSWER DOWNLOAD EXAMIANS APP
Chemistry Particulates (< 1 µm size) remaining suspended in air indefinitely and transported by wind currents are called Smoke Mists Fumes Aerosols Smoke Mists Fumes Aerosols ANSWER DOWNLOAD EXAMIANS APP
Chemistry Benzene cannot undergo : Addition Elimination Substitution Oxidation Addition Elimination Substitution Oxidation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Glycol is used to manufacture which of the following ? Terylene Artificial silk Rubber Nylon Terylene Artificial silk Rubber Nylon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The total energy of revolving electron in an atom Will always be positive Can have any value above zero Can never be positive Cannot be negative Will always be positive Can have any value above zero Can never be positive Cannot be negative ANSWER DOWNLOAD EXAMIANS APP