Chemistry The mass of one Avogadro number of helium atom is 4.00 gram 8.00 gram 4 x 6.02 x 1023 gram 1.00 gram 4.00 gram 8.00 gram 4 x 6.02 x 1023 gram 1.00 gram ANSWER DOWNLOAD EXAMIANS APP
Chemistry Impure camphor is purified by Sublimation Fractional distillation Steam distillation Fractional crystallisation Sublimation Fractional distillation Steam distillation Fractional crystallisation ANSWER DOWNLOAD EXAMIANS APP
Chemistry An oxidising agent is a In a chemical reaction its oxidation number increases An electron acceptor An electron donor It releases H2 in a chemical reaction In a chemical reaction its oxidation number increases An electron acceptor An electron donor It releases H2 in a chemical reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry Electrolysis of an aqueous solution of copper sulphate using copper electrodes gives Copper at cathode and anodes dissolve to give copper Hydrogen at cathode and oxygen at anode Copper at anode and oxygen at cathode. Copper at cathode and oxygen at anode Copper at cathode and anodes dissolve to give copper Hydrogen at cathode and oxygen at anode Copper at anode and oxygen at cathode. Copper at cathode and oxygen at anode ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gunpowder consits of a mixture of Sulphur, sand and charcoal TNT and charcoal Nitre, sulphur and charcoal Sand and TNT Sulphur, sand and charcoal TNT and charcoal Nitre, sulphur and charcoal Sand and TNT ANSWER DOWNLOAD EXAMIANS APP
Chemistry Forth floatation process to concentrate the minerals is applicable to Chalcopyrites Bauxite Haematite Calamine Chalcopyrites Bauxite Haematite Calamine ANSWER DOWNLOAD EXAMIANS APP
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