Chemistry The third shell of an atom can have a maximum of ______ electrons 13 18 15 21 13 18 15 21 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant constituent of atmospheric air is : Oxygen Carbon Nitrogen Hydrogen Oxygen Carbon Nitrogen Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The acid used in lead storage cells is Hydrochloric acid Nitric acid Phosphoric acid Sulphuric acid Hydrochloric acid Nitric acid Phosphoric acid Sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry In addition to hydrogen, the other abundant element present on Sun’s surface is Helium Oxygen Argon Neon Helium Oxygen Argon Neon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Dry ice is the solid form of : Air Carbon di–oxide Nitrogen Water Air Carbon di–oxide Nitrogen Water ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brine refers to : Salt water Starch water Pure water Sweet water Salt water Starch water Pure water Sweet water ANSWER DOWNLOAD EXAMIANS APP
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