Chemistry Magnetite is FeCO3 Fe2O3 2Fe2O3. 3H2O Fe3O4 FeCO3 Fe2O3 2Fe2O3. 3H2O Fe3O4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry PH scale ranges from None 8 – 14 0 – 14 0 – 7 None 8 – 14 0 – 14 0 – 7 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is the purest form of iron? Steel Cast iron Wrought iron Pig iron Steel Cast iron Wrought iron Pig iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which gas is most stable at room temperature H2 F2 N2 O2 H2 F2 N2 O2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Combustion of a candle is a/an Physical change Exothermic reaction Endothermic reaction Photochemical reaction Physical change Exothermic reaction Endothermic reaction Photochemical reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry The major constituent of gobar gas is Methane Isobutane Carbon dioxide Butane Methane Isobutane Carbon dioxide Butane ANSWER DOWNLOAD EXAMIANS APP
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