Chemistry What are the number of moles of CO2 which contains 16 g of oxygen? 0.4 mole 0.5 mole 0.2 mole 0.25 mole 0.4 mole 0.5 mole 0.2 mole 0.25 mole ANSWER DOWNLOAD EXAMIANS APP
Chemistry Warming Ammonium chloride with sodium hydrochloride in a test tube is an example of Isothermal system Isobaric system Open system Closed system Isothermal system Isobaric system Open system Closed system ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is the main nitrogenous waste in humans ? Uric Acid Urea Ammonium Nitrate Ammonia Uric Acid Urea Ammonium Nitrate Ammonia ANSWER DOWNLOAD EXAMIANS APP
Chemistry Activated Charcoal is used to remove colouring matter from pure substances by Oxidation Adsorption Bleaching Reduction Oxidation Adsorption Bleaching Reduction ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following forms of phosphorus is most reactive? Violet phosphorus Red phosphorus Black phosphorus White phosphorus Violet phosphorus Red phosphorus Black phosphorus White phosphorus ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a commercial source of energy? Dried dung Agricultural waste Sun Natural gas Dried dung Agricultural waste Sun Natural gas ANSWER DOWNLOAD EXAMIANS APP