Chemistry The presence of Cobalt in Vitamin B12 was established for the first time by Sodium Nitroprusside test Spectroscopy Hydrolysis test Borax-Bead test Sodium Nitroprusside test Spectroscopy Hydrolysis test Borax-Bead test ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is the main compound of voter ink? Silver Chloride Ammonium Chloride Silver nitrate Ammonium Nitrate Silver Chloride Ammonium Chloride Silver nitrate Ammonium Nitrate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Metal are good conductors, because They contain free electrons They contain reflecting surface The molecules in them collide very freely The molecules in them are very close to each other They contain free electrons They contain reflecting surface The molecules in them collide very freely The molecules in them are very close to each other ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most extensive, commercially useful source of thorium as monazite sand occurs in India at West Bengal coast Orissa coast Gujarat coast Travancore coast West Bengal coast Orissa coast Gujarat coast Travancore coast ANSWER DOWNLOAD EXAMIANS APP
Chemistry Oxygen which is vital for life is a product of photosynthesis and comes from Carbonates from soil Oxides of mineral elements Carbon dioxide Water Carbonates from soil Oxides of mineral elements Carbon dioxide Water ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bauxite is used as raw material by which industry ? Iron Gold Steel Aluminium Iron Gold Steel Aluminium ANSWER DOWNLOAD EXAMIANS APP
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