Chemistry Zone refining is used for the purification of Ag Au Cu Ge Ag Au Cu Ge ANSWER DOWNLOAD EXAMIANS APP
Chemistry The depletion of Ozone layer is mainly due to Volcanic eruptions Chlorofluorocarbons Radioactive rays Aviation fuels Volcanic eruptions Chlorofluorocarbons Radioactive rays Aviation fuels ANSWER DOWNLOAD EXAMIANS APP
Chemistry The structure of (HPO3)3 is Cyclic Tetrahedral Linear Octahedral Cyclic Tetrahedral Linear Octahedral ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which acid is used in Lead storage battery? Nitric acid Sulphuric acid Hydrochloric acid Acetic acid Nitric acid Sulphuric acid Hydrochloric acid Acetic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The highest volume of gases in lower atmosphere is comprised of Carbon dioxide Oxygen Nitrogen Hydrogen Carbon dioxide Oxygen Nitrogen Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is found in chlorophyll ? Fe2+ A l3+ Mg2+ Ca2+ Fe2+ A l3+ Mg2+ Ca2+ ANSWER DOWNLOAD EXAMIANS APP
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