Chemistry The depletion of Ozone layer is mainly due to Aviation fuels Chlorofluorocarbons Volcanic eruptions Radioactive rays Aviation fuels Chlorofluorocarbons Volcanic eruptions Radioactive rays ANSWER DOWNLOAD EXAMIANS APP
Chemistry Mercury is emitted into air by Burning coal Burning garbage Coal fire Steam engine Burning coal Burning garbage Coal fire Steam engine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Formation of ozone hole is maximum over Africa Antarctica Europe India Africa Antarctica Europe India ANSWER DOWNLOAD EXAMIANS APP
Chemistry Haloarenes are more stable than haloalkanes due to All of them Inductive effect Resonance effect Hyper conjugative effect All of them Inductive effect Resonance effect Hyper conjugative effect ANSWER DOWNLOAD EXAMIANS APP
Chemistry The pH of lemon juice is expected to be More than 7 Equal to 7 Nothing can be predicted Less than 7 More than 7 Equal to 7 Nothing can be predicted Less than 7 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is secondary air pollutant ? Dust particles SO2 Photochemical smog NO2 Dust particles SO2 Photochemical smog NO2 ANSWER DOWNLOAD EXAMIANS APP