Chemistry The most electropositive elements among the following is Na K Cs Ca Na K Cs Ca ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is a major green house gas? Chloro fluorocarbon Freon Carbon monoxide Carbon dioxide Chloro fluorocarbon Freon Carbon monoxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Now-a-days yellow lamps are frequently used as street lights. Which of the following gases is used in these lamps ? Nitrogen Neon Hydrogen Sodium Nitrogen Neon Hydrogen Sodium 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 Fluorescence Absorption spectra Emission spectra Raman spectra Fluorescence Absorption spectra Emission spectra ANSWER DOWNLOAD EXAMIANS APP
Chemistry The filter over which sewage is sprinkled is called as Intermittent sand filter Trickling filter Contact bed Percolating filter Intermittent sand filter Trickling filter Contact bed Percolating filter ANSWER DOWNLOAD EXAMIANS APP