Chemistry Iron and manganese present as pollutants in water cannot be removed by________ Oxidation followed by settling and filtration Ion exchange process Chlorination Lime soda process or manganese zeolite process Oxidation followed by settling and filtration Ion exchange process Chlorination Lime soda process or manganese zeolite process 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 Emission spectra Absorption spectra Fluorescence Raman spectra Emission spectra Absorption spectra Fluorescence ANSWER DOWNLOAD EXAMIANS APP
Chemistry One of the constituents of tear gas is Ether Chloropicrin Ethane Ethanol Ether Chloropicrin Ethane Ethanol ANSWER DOWNLOAD EXAMIANS APP
Chemistry Lead in water can cause Arthritis Eye disease Kidney damage Hair falling Arthritis Eye disease Kidney damage Hair falling ANSWER DOWNLOAD EXAMIANS APP
Chemistry 'Vinegar' is a commercial name of Hydrochloric acid Oxalic acid Citric acid Acetic acid Hydrochloric acid Oxalic acid Citric acid Acetic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Exposure to mixtures of chemicals are greater than expected on the basis of effects of exposure to each chemical individually. This is known as Synergism Independent Antagonism Additives Synergism Independent Antagonism Additives ANSWER DOWNLOAD EXAMIANS APP