Chemistry Which of the following is an iron ore ? Nitrite Magnetite Lignite Bauxite Nitrite Magnetite Lignite Bauxite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The name of plastic polymer from which combs, toys, bowls etc., can be made, is Polystyrene Metallic polysulphides Polyurethane Teflon Polystyrene Metallic polysulphides Polyurethane Teflon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The name of unreactive gas is Nitrogen Oxygen Hydrogen Carbon dioxide Nitrogen Oxygen Hydrogen Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a method of preparing oxygen? Fractional distillation of liquid air Electrolysis of water Decomposition of manganese dioxide Decomposition of potassium permanganate Fractional distillation of liquid air Electrolysis of water Decomposition of manganese dioxide Decomposition of potassium permanganate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The iron ore magnetite consists of Fe2O3 3Fe2O3 .. 3H2O FeCO3 Fe3OH4 Fe2O3 3Fe2O3 .. 3H2O FeCO3 Fe3OH4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry What material is used to make electric heater coil ? Iron Silver Nichrome Copper Iron Silver Nichrome Copper ANSWER DOWNLOAD EXAMIANS APP
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