Chemistry The metal that is usually extracted from sea water is Na Mg K Ca Na Mg K Ca ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following elements is an example of noble gas ? Chlorine Hydrogen Nitrogen Helium Chlorine Hydrogen Nitrogen Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bayer's reagent is Bromine water Acidified potassium permanganate Hydrogen peroxide Alkaline potassium permanganate Bromine water Acidified potassium permanganate Hydrogen peroxide Alkaline potassium permanganate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chief source for the production of nitrogeneous fertilizers is : Nitrogen Ammonia Nitric acid Nitrogen dioxide Nitrogen Ammonia Nitric acid Nitrogen dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry In an oxygen molecule, two atoms are united by Three bonds Two bonds Four bonds One bond Three bonds Two bonds Four bonds One bond ANSWER DOWNLOAD EXAMIANS APP
Chemistry Substance used as an anti freeze in radiators of automobiles is : Methyl alcohol Methyl alcohol and H2O Ethyl alcohol Ethyl alcohol and H2O Methyl alcohol Methyl alcohol and H2O Ethyl alcohol Ethyl alcohol and H2O ANSWER DOWNLOAD EXAMIANS APP
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