Chemistry Liquid Nitrogen boils at 82 Kelvin 54 kelvin 97 Kelvin 77 kelvin 82 Kelvin 54 kelvin 97 Kelvin 77 kelvin ANSWER DOWNLOAD EXAMIANS APP
Chemistry The compound used in pricklyheat powder to prevent excessive sweating is Carbonic acid Boric acid Phosphoric acid Sulphuric acid Carbonic acid Boric acid Phosphoric acid Sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone depletion in the atmosphere is mainly caused by Hydrogen sulphide Nitrogen dioxide Chlorofluorocarbon Sulphur dioxide Hydrogen sulphide Nitrogen dioxide Chlorofluorocarbon Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Helium is added to the oxygen supply of deep sea divers because it is Readily miscible with oxygen Less poisonous than nitrogen Less soluble in blood than nitrogen at high pressure Lighter than nitrogen Readily miscible with oxygen Less poisonous than nitrogen Less soluble in blood than nitrogen at high pressure Lighter than nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Muddy water is treated with alum in purification process, itis termed as : Absorption Adsorption Emulsification Coagulation Absorption Adsorption Emulsification Coagulation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following elements is least likely to be found in commercial fertilisers? Silicon Nitrogen Potassium Phosphorous Silicon Nitrogen Potassium Phosphorous ANSWER DOWNLOAD EXAMIANS APP
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