Chemistry Which one of the following elements exhibits the greatest tendency to lose electrons ? Oxygen Zinc Lithium Fluorine Oxygen Zinc Lithium Fluorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical name of 'Plaster of Paris' commonly used for setting broken bones is Calcium nitrate Calcium sulphate Calcium chloride Calcium carbonate Calcium nitrate Calcium sulphate Calcium chloride Calcium carbonate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Higher concentration of nitrogen dioxide in atmosphere air causes Asphyxiation Cancer Bronchitis Corrosion Asphyxiation Cancer Bronchitis Corrosion 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 Fluorescence Absorption spectra Emission spectra Raman spectra Fluorescence Absorption spectra Emission spectra Raman spectra ANSWER DOWNLOAD EXAMIANS APP
Chemistry Diamond is harder than graphite because of : None of these Tetrahedral structure of diamond Difference of crystalline structures Difference in layers of atoms None of these Tetrahedral structure of diamond Difference of crystalline structures Difference in layers of atoms ANSWER DOWNLOAD EXAMIANS APP
Chemistry The product, 9-nitroanthracene is obtained from anthracene by the action of Nitric acid in excess Nitric acid and acetic anhydride Nitric acid and ethyl alcohol Nitric acid and acetic acid Nitric acid in excess Nitric acid and acetic anhydride Nitric acid and ethyl alcohol Nitric acid and acetic acid ANSWER DOWNLOAD EXAMIANS APP
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