Chemistry Chemical formula of washing soda is Ca(OH)2 Na2SO4.10H2O Na2CO3.10H2O NaHCO3 Ca(OH)2 Na2SO4.10H2O Na2CO3.10H2O NaHCO3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The pair of compounds used as anaesthetic in medicines : Nitrogen dioxide, ether Nitrous oxide, Chloroform Chloroform, Nitrogen dioxide Ether, Ammonia Nitrogen dioxide, ether Nitrous oxide, Chloroform Chloroform, Nitrogen dioxide Ether, Ammonia ANSWER DOWNLOAD EXAMIANS APP
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 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 Copper at anode and oxygen at cathode. ANSWER DOWNLOAD EXAMIANS APP
Chemistry Diamond is lustrous because It is colourless It is hard Its refractive index is high It is pure It is colourless It is hard Its refractive index is high It is pure ANSWER DOWNLOAD EXAMIANS APP
Chemistry The reaction intermediate formed during the preparation of diethylether from ethanol by treatment with H2SO4 is Carbanion Carbene Free radical Carbocation Carbanion Carbene Free radical Carbocation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is used to dilute oxygen in the gas cylinders used by divers ? Helium Krypton Argon Neon Helium Krypton Argon Neon ANSWER DOWNLOAD EXAMIANS APP
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