Chemistry Magnetite is 2Fe2O3. 3H2O Fe3O4 FeCO3 Fe2O3 2Fe2O3. 3H2O Fe3O4 FeCO3 Fe2O3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry White lung cancer' is caused by Asbestos Paper Silica Textiles Asbestos Paper Silica Textiles ANSWER DOWNLOAD EXAMIANS APP
Chemistry Electrolysis of an aqueous solution of copper sulphate using copper electrodes gives Copper at anode and oxygen at cathode. Copper at cathode and oxygen at anode Copper at cathode and anodes dissolve to give copper Hydrogen at cathode and oxygen at anode Copper at anode and oxygen at cathode. Copper at cathode and oxygen at anode Copper at cathode and anodes dissolve to give copper Hydrogen at cathode and oxygen at anode ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant element is Nitrogen Oxygen Calcium Silicon Nitrogen Oxygen Calcium Silicon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Atoms of different elements have Same number of electrons and neutrons Same atomic number and same electronic configuration Different atomic number and different number of valence electrons Different atomic number and same eletronic configu-ration Same number of electrons and neutrons Same atomic number and same electronic configuration Different atomic number and different number of valence electrons Different atomic number and same eletronic configu-ration ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is not a primary greenhouse gases in the Earth's atmosphere Methane Ozone Carbon dioxide Nitrogen Methane Ozone Carbon dioxide Nitrogen ANSWER DOWNLOAD EXAMIANS APP
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