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 Which of the following is a man-made source of air pollution ? All of these Automobile exhaust Bacterial action in soil and swamp areas Forest fire All of these Automobile exhaust Bacterial action in soil and swamp areas Forest fire ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is not a fertilizer? Ammonium sulphate Potassium nitrate Calcium ammonium nitrate Calcium sulphate Ammonium sulphate Potassium nitrate Calcium ammonium nitrate Calcium sulphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The percentage of Nitrogen in Air is 85.02 0.03 78.03 0.94 85.02 0.03 78.03 0.94 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The green colour seen in firework displays is due to the chloride salt of : Barium Sodium Strontium Calcium Barium Sodium Strontium Calcium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Atoms having the same number of protons but different number of neutrons are called : Isotopes Anions Cations Higgs-boson Isotopes Anions Cations Higgs-boson ANSWER DOWNLOAD EXAMIANS APP
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