Chemistry DDT and BHC may act as Asthematic agents None of these Carcinogens Allergens Asthematic agents None of these Carcinogens Allergens ANSWER DOWNLOAD EXAMIANS APP
Chemistry Diamond is harder than graphite because of : Difference of crystalline structures Tetrahedral structure of diamond None of these Difference in layers of atoms Difference of crystalline structures Tetrahedral structure of diamond None of these Difference in layers of atoms ANSWER DOWNLOAD EXAMIANS APP
Chemistry When conc. H2SO4 is added to dry KNO3, brown fumes are evolved. These fumes are due to SO2 N2O NO2 SO3 SO2 N2O NO2 SO3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is not a primary greenhouse gases in the Earth's atmosphere Nitrogen Methane Ozone Carbon dioxide Nitrogen Methane Ozone Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The fundamental particles present in the nucleus of an atom are Proton, neutron Electron, proton Neutron, positron Neutron, electron Proton, neutron Electron, proton Neutron, positron Neutron, electron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is caused by the higher concentration of Nitrogen and Phosphorous ? Eutrophication Alkalinity Hardness Acidity Eutrophication Alkalinity Hardness Acidity ANSWER DOWNLOAD EXAMIANS APP