Chemistry Which of the following is a secondary pollutant ? SO2 CO PAN NO SO2 CO PAN NO ANSWER DOWNLOAD EXAMIANS APP
Chemistry Biofertilizers convert nitrogen to ________ . Nitrogenase Nitrates Amino acids Ammonia Nitrogenase Nitrates Amino acids Ammonia ANSWER DOWNLOAD EXAMIANS APP
Chemistry Substance used as an anti freeze in radiators of automobiles is : Ethyl alcohol and H2O Ethyl alcohol Methyl alcohol Methyl alcohol and H2O Ethyl alcohol and H2O Ethyl alcohol Methyl alcohol Methyl alcohol and H2O ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used for filling weather balloons is Nitrogen Air Helium Hydrogen Nitrogen Air Helium Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not present in German-silver? Copper Nickel Silver Zinc Copper Nickel Silver Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element absorbed both in cation and anion form is Calcium Phosphorus Sulphur Nitrogen Calcium Phosphorus Sulphur Nitrogen ANSWER DOWNLOAD EXAMIANS APP