Chemistry Oxygen has (+) oxidation number only in C12O N2O H2O (2) OF2 C12O N2O H2O (2) OF2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is the naturally occuring heaviest element Protactinium Uranium Thorium Mercury Protactinium Uranium Thorium Mercury ANSWER DOWNLOAD EXAMIANS APP
Chemistry Particulates (< 1 µm size) remaining suspended in air indefinitely and transported by wind currents are called Mists Fumes Aerosols Smoke Mists Fumes Aerosols Smoke ANSWER DOWNLOAD EXAMIANS APP
Chemistry Who first published the periodic table John Dalton Dmitri Mendeleev Henry Moseley Julius Lothar Meyer John Dalton Dmitri Mendeleev Henry Moseley Julius Lothar Meyer ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is the simplest form of alkane Butane Methane Decane Propane Butane Methane Decane Propane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The iron ore magnetite consists of Fe3OH4 Fe2O3 FeCO3 3Fe2O3 .. 3H2O Fe3OH4 Fe2O3 FeCO3 3Fe2O3 .. 3H2O ANSWER DOWNLOAD EXAMIANS APP
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