Chemistry Electrolysis of an aqueous solution of copper sulphate using copper electrodes gives 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 Copper at anode and oxygen at cathode. Copper at cathode and anodes dissolve to give copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemical name of vinegar is Formaldehyde Acetone Ethanol Acetic acid Formaldehyde Acetone Ethanol Acetic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Most poisonous pollutant in water is Phosphate Arsenic Zinc Detergent Phosphate Arsenic Zinc Detergent ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nitrogen forms a variety of compounds in all oxidation states ranging from –3 to + 5 –3 to + 3 –3 to + 6 –3 to + 4 –3 to + 5 –3 to + 3 –3 to + 6 –3 to + 4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Biofertilizers convert nitrogen to ________ . Amino acids Nitrates Nitrogenase Ammonia Amino acids Nitrates Nitrogenase Ammonia ANSWER DOWNLOAD EXAMIANS APP
Chemistry Yellow Cake' an item of smuggling across border is Unreformed gold A crude from of heroin A crude from of cocaine Uranium oxide Unreformed gold A crude from of heroin A crude from of cocaine Uranium oxide ANSWER DOWNLOAD EXAMIANS APP
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