Chemistry Magnetite is Fe3O4 Fe2O3 2Fe2O3. 3H2O FeCO3 Fe3O4 Fe2O3 2Fe2O3. 3H2O FeCO3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The nucleus of an atom consists of electrons and neutrons electrons and protons All of these protons and neutrons electrons and neutrons electrons and protons All of these protons and neutrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Atomic number is the number equal to Neutrons Electrons Protons None of these Neutrons Electrons Protons None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry Name two elements that find wide application in transistor industry Silicon and Germanium Carbon and Platinum Tungsten and Platinum Iridium and Germanium Silicon and Germanium Carbon and Platinum Tungsten and Platinum Iridium and Germanium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is not a pure form of carbon Graphite Coal Gold Diamond Graphite Coal Gold Diamond ANSWER DOWNLOAD EXAMIANS APP
Chemistry Extensively used nitrogenous fertilizer is Ammonium nitrate Ammonium sulphate Urea Nitro-lime Ammonium nitrate Ammonium sulphate Urea Nitro-lime ANSWER DOWNLOAD EXAMIANS APP
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