Chemistry Magnetite is Fe3O4 2Fe2O3. 3H2O FeCO3 Fe2O3 Fe3O4 2Fe2O3. 3H2O FeCO3 Fe2O3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal that is used as a catalyst in the hydrogenation of oils is Ni Cu Pb Pt Ni Cu Pb Pt ANSWER DOWNLOAD EXAMIANS APP
Chemistry In chemical terms, what are alums used for purifying water for drinking purposes ? Double sulphates Double nitrate Hydrated chlorides Nitrates of aluminium Double sulphates Double nitrate Hydrated chlorides Nitrates of aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used as non-stick coating for cooking utensils? Styrofoam Polystyrene Teflon Perspex Styrofoam Polystyrene Teflon Perspex ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chief constituent of natural gas is: Methane Nitrogen Helium Propane Methane Nitrogen Helium Propane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical that is used to ripen mangoes is Calcium carbonate Calcium sulphide Calcium carbide Calcium chloride Calcium carbonate Calcium sulphide Calcium carbide Calcium chloride ANSWER DOWNLOAD EXAMIANS APP
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