Chemistry The smog is essentially caused by the presence of Oxides of N and S O3 and N2 O2 and O3 O2 and N2 Oxides of N and S O3 and N2 O2 and O3 O2 and N2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is extensively used for sterilizing water ? Bleaching powder Alum Borax powder Soda powder Bleaching powder Alum Borax powder Soda powder ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical formula of the laughing gas is NO2 N2O NO N2O3 NO2 N2O NO N2O3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element used in the manufacture of safety matches is Magnesium Phosphorous Sulphur Silicon Magnesium Phosphorous Sulphur Silicon ANSWER DOWNLOAD EXAMIANS APP
Chemistry What particles move around the nucleus of an atom and are negatively charged? Protons Electrons Neutrons Positrons Protons Electrons Neutrons Positrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following has least negative electron gain enthalpy Cl P F S Cl P F S ANSWER DOWNLOAD EXAMIANS APP