Chemistry The total energy of revolving electron in an atom Can never be positive Cannot be negative Will always be positive Can have any value above zero Can never be positive Cannot be negative Will always be positive Can have any value above zero ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of waves made by an electron moving in an orbit having maximum magnetic quantum number is +3 2 zero 4 5 2 zero 4 5 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main constituent of natural gas is Propane Methane Butane Ethane Propane Methane Butane Ethane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Rutherford’s scattering experiment proved the presence of Electrons in atoms Atoms in all matter Nucleus in atoms Neutrons in atoms Electrons in atoms Atoms in all matter Nucleus in atoms Neutrons in atoms ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a secondary pollutant ? PAN SO2 NO CO PAN SO2 NO CO ANSWER DOWNLOAD EXAMIANS APP
Chemistry Rectified spirit is : 100% ethyl alcohol 95% ethyl alcohol Methylated spirit Tincture iodine 100% ethyl alcohol 95% ethyl alcohol Methylated spirit Tincture iodine ANSWER DOWNLOAD EXAMIANS APP