Chemistry The number of waves made by an electron moving in an orbit having maximum magnetic quantum number is +3 5 2 zero 4 5 2 zero 4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas present in the stratosphere which filters out some of the sun's ultraviolet light and provides an effective shield against radiation damage to living things is methane ozone oxygen helium methane ozone oxygen helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following has greatest mass ? Proton Hydrogen nucleus Electron Neutron Proton Hydrogen nucleus Electron Neutron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sodium vapour lamps glow with yellow colour. This is due to The emission of excess energy absorbed by sodium atoms, in the yellow region of the spectrum Its ability to absorb all other colours except yellow sublimation of sodium to emit yellow colour The low ionisation energy of sodium The emission of excess energy absorbed by sodium atoms, in the yellow region of the spectrum Its ability to absorb all other colours except yellow sublimation of sodium to emit yellow colour The low ionisation energy of sodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The formula C6H5-CO-CH3 represents Acetophenone Acetone Phenyl acetate Acetic acid Acetophenone Acetone Phenyl acetate Acetic acid ANSWER DOWNLOAD EXAMIANS APP
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