Chemistry Which is the purest form of iron? Cast iron Wrought iron Steel Pig iron Cast iron Wrought iron Steel Pig iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Formic acid is produced by Mosquitoes Cockroaches White ants Red ants Mosquitoes Cockroaches White ants Red ants ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is a mixture of potassium nitrate, powdered charcoal and sulphur called? Cement Paint Gun powder Glass Cement Paint Gun powder Glass ANSWER DOWNLOAD EXAMIANS APP
Chemistry Biofertilizers convert nitrogen to ________ . Nitrates Nitrogenase Ammonia Amino acids Nitrates Nitrogenase Ammonia Amino acids ANSWER DOWNLOAD EXAMIANS APP
Chemistry Main pollutants released from iron and steel industry are CO2, NO2 and SO3 CO2, H2S and NO2 CO, CO2 and SO2 NO, SO3 and H2S CO2, NO2 and SO3 CO2, H2S and NO2 CO, CO2 and SO2 NO, SO3 and H2S ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical formula of the laughing gas is N2O3 NO2 NO N2O N2O3 NO2 NO N2O ANSWER DOWNLOAD EXAMIANS APP
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