Chemistry Total number of elements in the Periodic table 115 127 118 112 115 127 118 112 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which gas does not form the part of atmosphere ? Nitrogen Chlorine None of these Helium Nitrogen Chlorine None of these Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Saccharin is made up of Toluene Phenol Butane Propane Toluene Phenol Butane Propane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is usually not an air-pollutant? Carbon dioxide Sulphur dioxide Hydrocarbons Nitrous oxide Carbon dioxide Sulphur dioxide Hydrocarbons Nitrous oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of g-molecule of oxygen in 6.02 x 1024CO molecules is 0.5 gram of molecule 10 gram of molecule 1 gram of molecule 5 gram of molecule 0.5 gram of molecule 10 gram of molecule 1 gram of molecule 5 gram of molecule ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is secondary air pollutant ? NO2 Photochemical smog Dust particles SO2 NO2 Photochemical smog Dust particles SO2 ANSWER DOWNLOAD EXAMIANS APP
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