Chemistry What is the covalency of nitrogen in ammonia molecule 2 5 4 3 2 5 4 3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which type of radiations are absorbed by the upper layer of the atmosphere? Infrared Visible Radio-waves Ultraviolet Infrared Visible Radio-waves Ultraviolet 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 Absorption spectra Fluorescence Emission spectra Raman spectra Absorption spectra Fluorescence Emission spectra Raman spectra ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone depletion in the stratosphere is mainly caused by NO SO2 Chlorogluorocarbons NO2 NO SO2 Chlorogluorocarbons NO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The Refrigerant 'FREON' is Difluoro Dichloro Methane Hydrofluosilicic Acid Calcium Tetra Fluoride Fluorspar and Felspar Difluoro Dichloro Methane Hydrofluosilicic Acid Calcium Tetra Fluoride Fluorspar and Felspar ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the element required for solar energy conversion ? Tantalum Ultra pure carbon Silicon Beryllium Tantalum Ultra pure carbon Silicon Beryllium ANSWER DOWNLOAD EXAMIANS APP
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