Chemistry Nitrogen forms a variety of compounds in all oxidation states ranging from –3 to + 6 –3 to + 4 –3 to + 3 –3 to + 5 –3 to + 6 –3 to + 4 –3 to + 3 –3 to + 5 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Rutherford’s scattering experiment proved the presence of Nucleus in atoms Neutrons in atoms Atoms in all matter Electrons in atoms Nucleus in atoms Neutrons in atoms Atoms in all matter Electrons in atoms ANSWER DOWNLOAD EXAMIANS APP
Chemistry If water smells bad, then that odour can be removed by adding Activated carbon Alum Bleach Deactivated nitrogen Activated carbon Alum Bleach Deactivated nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is the most reactive halogen Fluorine Bromine Chlorine Iodine Fluorine Bromine Chlorine Iodine ANSWER DOWNLOAD EXAMIANS APP
Chemistry The graphite rods in the nuclear reactor react with U to release energy convert fast moving neutrons into thermal neutrons produce neutrons undergo combustion which triggers the nuclear fission react with U to release energy convert fast moving neutrons into thermal neutrons produce neutrons undergo combustion which triggers the nuclear fission ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following elements is not present in stainless steel? Chromium Nickel Tungsten Iron Chromium Nickel Tungsten Iron ANSWER DOWNLOAD EXAMIANS APP