Chemistry The presence of Cobalt in Vitamin B12 was established for the first time by Spectroscopy Borax-Bead test Sodium Nitroprusside test Hydrolysis test Spectroscopy Borax-Bead test Sodium Nitroprusside test Hydrolysis test ANSWER DOWNLOAD EXAMIANS APP
Chemistry The Bhopal tragedy was caused by the gas Carbon monoxide Chlorine Phosgene Methyl isocyanate Carbon monoxide Chlorine Phosgene Methyl isocyanate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The important ore of aluminium is Fluorspar Haematite Bauxite Cryolite Fluorspar Haematite Bauxite Cryolite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Type metal used in printing press is an alloy of Lead and bismuth Lead and copper Lead and antimony Lead and zinc Lead and bismuth Lead and copper Lead and antimony Lead and zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which metal does not undergo corrosion due to the formation of oxide layer? Iron Zinc Copper Aluminium Iron Zinc Copper Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry In a Carbonyl group a carbon atom makes double bond with None of these Oxygen Hydrogen Carbon None of these Oxygen Hydrogen Carbon ANSWER DOWNLOAD EXAMIANS APP
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