Chemistry The high reactivity of fluorine is due to availability of d-orbitals strong F - F bond its high electro negativity small size of fluorine atom availability of d-orbitals strong F - F bond its high electro negativity small size of fluorine atom ANSWER DOWNLOAD EXAMIANS APP
Chemistry The iron ore magnetite consists of Fe3OH4 Fe2O3 3Fe2O3 .. 3H2O FeCO3 Fe3OH4 Fe2O3 3Fe2O3 .. 3H2O FeCO3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The ionisation energy of hydrogen atom in the ground state is x KJ. The energy required for an electron to jump from 2nd orbit to 3rd orbit is 5x/36 7.2 x 5x x/6 5x/36 7.2 x 5x x/6 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The major constituent of air is nitrogen carbon dioxide hydrogen oxygen nitrogen carbon dioxide hydrogen oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main chemical constituent of clay is zeolites aluminium silicate silicon oxide aluminium borosilicate zeolites aluminium silicate silicon oxide aluminium borosilicate ANSWER DOWNLOAD EXAMIANS APP