Chemistry The element with highest first ionisation energy is Helium Sodium Lithium Hydrogen Helium Sodium Lithium Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Aqua regia is a 1 : 3 mixture, by volume, of Conc. hydrochloric acid and conc. nitric acid Conc. nitric acid and conc. hydrochloric acid Conc. sulphuric acid and conc. nitric acid Conc. nitric acid and conc. sulphuric acid Conc. hydrochloric acid and conc. nitric acid Conc. nitric acid and conc. hydrochloric acid Conc. sulphuric acid and conc. nitric acid Conc. nitric acid and conc. sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Dry ice is the solid form of : Nitrogen Air Water Carbon di–oxide Nitrogen Air Water Carbon di–oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main use of salt in the diet is to produce in small amounts the hydrochloric acid required for the digestion of food ease the process of cooking increase the solubility of food particles in water make the taste of food better produce in small amounts the hydrochloric acid required for the digestion of food ease the process of cooking increase the solubility of food particles in water make the taste of food better ANSWER DOWNLOAD EXAMIANS APP
Chemistry Particulates (< 1 µm size) remaining suspended in air indefinitely and transported by wind currents are called Smoke Aerosols Fumes Mists Smoke Aerosols Fumes Mists ANSWER DOWNLOAD EXAMIANS APP
Chemistry Peroxyacetyl nitrate is a Secondary pollutant Vitamin Plant hormone Acidic dye Secondary pollutant Vitamin Plant hormone Acidic dye ANSWER DOWNLOAD EXAMIANS APP
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