Chemistry Which of the following is used for refrigeration? Chlorine Freon Phosphine Sulphur dioxide Chlorine Freon Phosphine Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a monoatomic gas? Nitrogen Neon Fluorine Oxygen Nitrogen Neon Fluorine Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Alum stops bleeding in minor cuts because of Dialysis Solvation Coagulation Emulsion Dialysis Solvation Coagulation Emulsion ANSWER DOWNLOAD EXAMIANS APP
Chemistry Conduction band electrons have more mobility than holes because they Have negative charge Need less energy to move them Experience collision less frequently Are lighter Have negative charge Need less energy to move them Experience collision less frequently Are lighter ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chief source for the production of nitrogeneous fertilizers is : Nitric acid Nitrogen dioxide Nitrogen Ammonia Nitric acid Nitrogen dioxide Nitrogen Ammonia ANSWER DOWNLOAD EXAMIANS APP
Chemistry The natural source of hydro-carbon is Carbohydrates Crude oil Coal Biomass Carbohydrates Crude oil Coal Biomass ANSWER DOWNLOAD EXAMIANS APP
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