Chemistry The atmospheric gas that is mainly responsible for Green House effect : Carbondioxide Oxygen Ozone Nitrogen Carbondioxide Oxygen Ozone Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Main pollutants released from iron and steel industry are NO, SO3 and H2S CO2, NO2 and SO3 CO2, H2S and NO2 CO, CO2 and SO2 NO, SO3 and H2S CO2, NO2 and SO3 CO2, H2S and NO2 CO, CO2 and SO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The organic reaction represented by equation CH3 - CH = O + H2NOH gives CH3 - CH - NH + H2O is an example of a condensation reaction an addition reaction an elimination reaction an oxidation reaction a condensation reaction an addition reaction an elimination reaction an oxidation reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry The percentage of Nitrogen in Air is 78.03 0.94 0.03 85.02 78.03 0.94 0.03 85.02 ANSWER DOWNLOAD EXAMIANS APP
Chemistry An atom of an element has atomic number 17 and mass number 36. The number of neutrons in its nucleus is 36 53 17 19 36 53 17 19 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which amidst the following is not a gem stone ? Pearl Topaz Opal Cat's-eye Pearl Topaz Opal Cat's-eye ANSWER DOWNLOAD EXAMIANS APP