Chemistry Biofertilizers convert nitrogen to ________ . Nitrogenase Nitrates Ammonia Amino acids Nitrogenase Nitrates Ammonia Amino acids ANSWER DOWNLOAD EXAMIANS APP
Chemistry The percentage of oxygen in air is approximately 0.21 0.78 0.01 1 0.21 0.78 0.01 1 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main active constituent of tea and coffee is nicotine caffeine aspirin chlorophyll nicotine caffeine aspirin chlorophyll ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which method will be employed to test the hardness of water? Distillation None of these Boiling Formation of lather with soap Distillation None of these Boiling Formation of lather with soap ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is an iron ore ? Nitrite Magnetite Bauxite Lignite Nitrite Magnetite Bauxite Lignite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas liberated in the Bhopal gas tragedy was: Ethylene Acetylene Methyl isocynate Pheynl isocynate Ethylene Acetylene Methyl isocynate Pheynl isocynate ANSWER DOWNLOAD EXAMIANS APP