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 The gas used for artificial fruit ripening of green fruit is Methane Ethane Ethylene Acetylene Methane Ethane Ethylene Acetylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to remove rust stains on cloth? Oxalic acid solution Lime Kerosene Petrol Oxalic acid solution Lime Kerosene Petrol ANSWER DOWNLOAD EXAMIANS APP
Chemistry The source of energy that causes the least global warming is Geothermal energy Natural Gas Coal Petroleum Geothermal energy Natural Gas Coal Petroleum ANSWER DOWNLOAD EXAMIANS APP
Chemistry What happens when a drop of glycerol is added to crushed KMnO4 spread on a paper ? There is a violent explosion. There is no reaction. There is a crackling sound The paper ignites There is a violent explosion. There is no reaction. There is a crackling sound The paper ignites ANSWER DOWNLOAD EXAMIANS APP
Chemistry DDT and BHC may act as Carcinogens Asthematic agents None of these Allergens Carcinogens Asthematic agents None of these Allergens ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS