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 Fluorescence Emission spectra Absorption spectra Raman spectra Fluorescence Emission spectra Absorption spectra Raman spectra ANSWER DOWNLOAD EXAMIANS APP
Chemistry Air is said to be saturated when : It contains maximum content of water vapour Its thickness is maximum It blows over the barren land Its pressure is minimum It contains maximum content of water vapour Its thickness is maximum It blows over the barren land Its pressure is minimum ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is the highest quality of hard coal? Anthracite Lignite Bituminous Peat Anthracite Lignite Bituminous Peat ANSWER DOWNLOAD EXAMIANS APP
Chemistry Main source of lead pollution is from Insecticides Tobacco Sewage Leaded gasoline Insecticides Tobacco Sewage Leaded gasoline ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sweat contains water and ________ Citric acid Lactic acid Vinegar Salt Citric acid Lactic acid Vinegar Salt ANSWER DOWNLOAD EXAMIANS APP
Chemistry Cement is made hard with Polymerisation Dissociation of water Dehydration Hydration and dissociation of water Polymerisation Dissociation of water Dehydration Hydration and dissociation of water ANSWER DOWNLOAD EXAMIANS APP