Chemistry The third shell of an atom can have a maximum of ______ electrons 18 21 15 13 18 21 15 13 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main chemical constituent of clay is silicon oxide zeolites aluminium borosilicate aluminium silicate silicon oxide zeolites aluminium borosilicate aluminium silicate ANSWER DOWNLOAD EXAMIANS APP
Chemistry By-product obtained by soap industry is Glycerol Caustic soda Caustic potash Naphthalene Glycerol Caustic soda Caustic potash Naphthalene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Many people died in London in 1952 as result of air pollution producing Sleet Smog Fog Mist Sleet Smog Fog Mist ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following does not form oxyacid ? Nitrogen Chlorine Sulphur Fluorine Nitrogen Chlorine Sulphur Fluorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry The process which does not evolve CO2 in air is Photosynthesis Organic delay Burning Breathing Photosynthesis Organic delay Burning Breathing ANSWER DOWNLOAD EXAMIANS APP