Chemistry Biofertilizers convert nitrogen to ________ . Nitrates Nitrogenase Amino acids Ammonia Nitrates Nitrogenase Amino acids Ammonia ANSWER DOWNLOAD EXAMIANS APP
Chemistry The material used in solar cells contains Thallium Tin Caesium Silicon Thallium Tin Caesium Silicon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The highest volume of gases in lower atmosphere is comprised of Hydrogen Oxygen Nitrogen Carbon dioxide Hydrogen Oxygen Nitrogen Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is not a characteristic of transition metals? Low ionization energy Tendency to gain electrons Malleability Low electronegativity Low ionization energy Tendency to gain electrons Malleability Low electronegativity ANSWER DOWNLOAD EXAMIANS APP
Chemistry Match the List-I with List-II and select the correct answer using the codes given below the listsList-I (Green house gas)List-II(Major source)F.Carbondioxide1.Enteric fermentation in cattleG.Methane2.Burning of fossilH.Chloroflro carbons3.Mercury compounds in waste waterJ.Nitrous oxide4.Nylon production 5.Air conditioner and refrigeration unitsCodes :FGHJA.2154B.3421C.3241D.1234 D C A B D C A B ANSWER DOWNLOAD EXAMIANS APP
Chemistry The atomic number of carbon is 6 and its atomic mass is 12. How many are there protons in the nucleus of carbon ? Zero 6 12 18 Zero 6 12 18 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS