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 Absorption spectra Emission spectra Fluorescence Raman spectra Absorption spectra Emission spectra Fluorescence Raman spectra ANSWER DOWNLOAD EXAMIANS APP
Chemistry The hardest form of carbon is charcoal coke diamond graphite charcoal coke diamond graphite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Galvanised iron is made by coating iron with Zinc Nickel Sulphur Chromium Zinc Nickel Sulphur Chromium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of these acids is not organic in origin? Lactic acid Citric acid Oxalic acid Sulphuric acid Lactic acid Citric acid Oxalic acid Sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant rare gas in the atmosphere is Ne Xe He Ar Ne Xe He Ar ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is the most reactive halogen Fluorine Bromine Iodine Chlorine Fluorine Bromine Iodine Chlorine ANSWER DOWNLOAD EXAMIANS APP