Chemistry Main pollutants released from iron and steel industry are CO2, H2S and NO2 CO2, NO2 and SO3 NO, SO3 and H2S CO, CO2 and SO2 CO2, H2S and NO2 CO2, NO2 and SO3 NO, SO3 and H2S CO, CO2 and SO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Biofertilizers convert nitrogen to ________ . Nitrogenase Ammonia Amino acids Nitrates Nitrogenase Ammonia Amino acids Nitrates ANSWER DOWNLOAD EXAMIANS APP
Chemistry Diamond is harder than graphite because of : Difference of crystalline structures Difference in layers of atoms Tetrahedral structure of diamond None of these Difference of crystalline structures Difference in layers of atoms Tetrahedral structure of diamond None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry The heat energy produced when the human body metabolises 1 gram of fat is 1 KJ 29 KJ 39 KJ 30 KJ 1 KJ 29 KJ 39 KJ 30 KJ ANSWER DOWNLOAD EXAMIANS APP
Chemistry The percentage of carbon in cost iron is : 3 to 5 6 to 8 0.01 to 0.25 0.5 to 1.5 3 to 5 6 to 8 0.01 to 0.25 0.5 to 1.5 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The third shell of an atom can have a maximum of ______ electrons 15 21 13 18 15 21 13 18 ANSWER DOWNLOAD EXAMIANS APP
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