Chemistry Tetra ethyle lead (TEL) is A catalyst in burning fossil fuel An antiknock compound An antioxidant A reductant A catalyst in burning fossil fuel An antiknock compound An antioxidant A reductant ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one out of the following helps in burning ? Nitrogen Carbon monoxide Oxygen Carbon dioxide Nitrogen Carbon monoxide Oxygen Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Water is not effective in extinguishing a fire caused by petrol because Water and petrol are miscible with each other The flame is too hot for water to cool it down Water and petrol react chemically Water and petrol are immiscible with each other and petrol which forms the upper layer continues to burn Water and petrol are miscible with each other The flame is too hot for water to cool it down Water and petrol react chemically Water and petrol are immiscible with each other and petrol which forms the upper layer continues to burn ANSWER DOWNLOAD EXAMIANS APP
Chemistry Forth floatation process to concentrate the minerals is applicable to Haematite Chalcopyrites Bauxite Calamine Haematite Chalcopyrites Bauxite Calamine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following elements exhibits the greatest tendency to lose electrons ? Lithium Fluorine Oxygen Zinc Lithium Fluorine Oxygen Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry In addition to hydrogen, the other abundant element present on Sun’s surface is Argon Helium Oxygen Neon Argon Helium Oxygen Neon ANSWER DOWNLOAD EXAMIANS APP