Chemistry Which one is the lightest element in the periodic table Oxygen Hydrogen Helium Carbon Oxygen Hydrogen Helium Carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Indane gas is mixture of Butane and oxygen Butane and hydrogen Butane and propane Methane and oxygen Butane and oxygen Butane and hydrogen Butane and propane Methane and oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the mass percentage of oxygen in carbon dioxide (CO2) 0.509 0.658 0.305 0.727 0.509 0.658 0.305 0.727 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Electrolysis of an aqueous solution of copper sulphate using copper electrodes gives Copper at anode and oxygen at cathode. Copper at cathode and oxygen at anode Hydrogen at cathode and oxygen at anode Copper at cathode and anodes dissolve to give copper Copper at anode and oxygen at cathode. Copper at cathode and oxygen at anode Hydrogen at cathode and oxygen at anode Copper at cathode and anodes dissolve to give copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone layer is present in Exosphere Ionosphere Stratosphere Troposphere Exosphere Ionosphere Stratosphere Troposphere ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is not a fertilizer? Ammonium sulphate Calcium ammonium nitrate Calcium sulphate Potassium nitrate Ammonium sulphate Calcium ammonium nitrate Calcium sulphate Potassium nitrate ANSWER DOWNLOAD EXAMIANS APP
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