Chemistry The high reactivity of fluorine is due to 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 availability of d-orbitals strong F - F bond ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a precious/semi-precious stone? Pearl Sapphire Ruby Emerald Pearl Sapphire Ruby Emerald ANSWER DOWNLOAD EXAMIANS APP
Chemistry CNG used in automobiles to check pollution, mainly consists of CO2 N2 CH4 H2 CO2 N2 CH4 H2 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 x/6 5x/36 7.2 x 5x x/6 5x/36 7.2 x ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a commercial source of energy? Agricultural waste Sun Dried dung Natural gas Agricultural waste Sun Dried dung Natural gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry The total energy of revolving electron in an atom Can never be positive Will always be positive Can have any value above zero Cannot be negative Can never be positive Will always be positive Can have any value above zero Cannot be negative ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS