Chemistry Which of the following has pH value 7? Sodium Carbonate Pure Water H2SO4 HCl Sodium Carbonate Pure Water H2SO4 HCl ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following has no unit Excitation potential Electron affinity Ionization energy Electronegativity Excitation potential Electron affinity Ionization energy Electronegativity ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following could be used as fuel in propellant or rockets ? Liquid Hydrogen + Liquid Nitrogen Liquid Nitrogen + Liquid Oxygen Liquid Oxygen + Liquid Argon Liquid Hydrogen + Liquid Oxygen Liquid Hydrogen + Liquid Nitrogen Liquid Nitrogen + Liquid Oxygen Liquid Oxygen + Liquid Argon Liquid Hydrogen + Liquid Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following pairs of materials serves as electrodes in chargeable batteries commonly used in devices such as torch lights, electric shavers, etc. ? Iron and cadmium Zinc and carbon Nickel and cadmium Lead peroxide and lead Iron and cadmium Zinc and carbon Nickel and cadmium Lead peroxide and lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Stainless steel is usually made by alloying the steel with Copper and nickel Copper and chromium Manganese and copper Chromium and nickel Copper and nickel Copper and chromium Manganese and copper Chromium and nickel ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following elements is used in the manufacture of fertilizers ? Lead Fluorine Potassium Aluminium Lead Fluorine Potassium Aluminium ANSWER DOWNLOAD EXAMIANS APP
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