Chemistry Zone refining is used for the purification of Au Ag Cu Ge Au Ag Cu Ge ANSWER DOWNLOAD EXAMIANS APP
Chemistry When a metal is heated in a flame, the electrons absorb energy and jump to higher energy state. On coming back to the lower energy siate, they emit light, which we can observe in Raman spectra Emission spectra Absorption spectra Fluorescence Raman spectra Emission spectra Absorption spectra Fluorescence ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of these acids is not organic in origin? Oxalic acid Sulphuric acid Lactic acid Citric acid Oxalic acid Sulphuric acid Lactic acid Citric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Alcoholic (– OH) group can be identified by : Tollen's Reagent Test FeCl3Test Esterification Test Ozonolysis Reaction Tollen's Reagent Test FeCl3Test Esterification Test Ozonolysis Reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone depletion in the stratosphere is mainly caused by SO2 Chlorogluorocarbons NO NO2 SO2 Chlorogluorocarbons NO NO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the chemical symbol of mercury Hg Mg None of these Mr Hg Mg None of these Mr ANSWER DOWNLOAD EXAMIANS APP