Chemistry How many neutrons are there in 92U238 atom ? 146 92 330 238 146 92 330 238 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical name of baking soda is Sodium chloride Sodium bicarbonate Sodium carbonate Sodium nitrate Sodium chloride Sodium bicarbonate Sodium carbonate Sodium nitrate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The lightest gas which is non-inflammable is Hydrogen Helium Oxygen Nitrogen Hydrogen Helium Oxygen Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant element in the earth’s atmosphere is Argon Nitrogen Oxygen Krypton Argon Nitrogen Oxygen Krypton ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is not a cause for present global warming and climate change ? Methane emission CFC emission Carbondioxide emission Deforstation Methane emission CFC emission Carbondioxide emission Deforstation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a secondary pollutant ? NO CO PAN SO2 NO CO PAN SO2 ANSWER DOWNLOAD EXAMIANS APP