Chemistry Cooking gas is a mixture of Carbon dioxide and oxygen Carbon monoxide and carbon dioxide Methane and ethylene Butane and propane Carbon dioxide and oxygen Carbon monoxide and carbon dioxide Methane and ethylene Butane and propane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals is not a pollutant ? Mercury Arsenic Aluminium Lead Mercury Arsenic Aluminium Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chief source of naphthalene is Charcoal Coal-tar Diesel Camphor Charcoal Coal-tar Diesel Camphor ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nitrogen is an essential constituent of all : Proteins Carbohydrates Fats Vitamins Proteins Carbohydrates Fats Vitamins ANSWER DOWNLOAD EXAMIANS APP
Chemistry Activated Charcoal is used to remove colouring matter from pure substances by Bleaching Adsorption Reduction Oxidation Bleaching Adsorption Reduction Oxidation ANSWER DOWNLOAD EXAMIANS APP
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