Chemistry The presence of Cobalt in Vitamin B12 was established for the first time by Borax-Bead test Hydrolysis test Spectroscopy Sodium Nitroprusside test Borax-Bead test Hydrolysis test Spectroscopy Sodium Nitroprusside test ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following fuels causes minimum environmental pollution? Diesel Hydrogen Coal Kerosene Diesel Hydrogen Coal Kerosene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Malathion is a/an Pesticide Preservative Fumigant Insecticide Pesticide Preservative Fumigant Insecticide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Petroleum consists of a mixture of Carbonates Carbides Hydrocarbons Carbohydrates Carbonates Carbides Hydrocarbons Carbohydrates ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silver gets corroded due to ________ in air. Carbon dioxide Hydrogen Sulphide Oxygen Nitrogen Carbon dioxide Hydrogen Sulphide Oxygen Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Oxygen which is vital for life is a product of photosynthesis and comes from Carbonates from soil Carbon dioxide Oxides of mineral elements Water Carbonates from soil Carbon dioxide Oxides of mineral elements Water ANSWER DOWNLOAD EXAMIANS APP