Chemistry Biofertilizers convert nitrogen to ________ . Amino acids Nitrates Ammonia Nitrogenase Amino acids Nitrates Ammonia Nitrogenase ANSWER DOWNLOAD EXAMIANS APP
Chemistry The purest form of water is Ground water Tap water Distilled water Rain water Ground water Tap water Distilled water Rain water ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following contributes largely to the ‘green house effect’ ? Ozone Water vapour Carbon monoxide Carbon dioxide Ozone Water vapour Carbon monoxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry A balloon filled with helium rises in air because Helium pushes down on the air below the balloon Air exerts an upward force on the balloon The balloon is weightless Helium is less dense than air Helium pushes down on the air below the balloon Air exerts an upward force on the balloon The balloon is weightless Helium is less dense than air ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal compound commonly found in Sindhoor or Kumkum is based on Tin Copper Zinc Lead Tin Copper Zinc Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry The ore of Aluminium is Hematite Bauxite Chalco pyrites Fluorspar Hematite Bauxite Chalco pyrites Fluorspar ANSWER DOWNLOAD EXAMIANS APP