Chemistry Which one is the most reactive gaseous element Chlorine Flourine Bromine Iodine Chlorine Flourine Bromine Iodine ANSWER DOWNLOAD EXAMIANS APP
Chemistry The depletion of ozone layer is due to Ethane Sulphur dioxide Chloro fluoro carbon Carbon dioxide Ethane Sulphur dioxide Chloro fluoro carbon Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following was used as a chemical weapon in the first world war ? Mustard gas Hydrogen cyanide Carbon monoxide Water gas Mustard gas Hydrogen cyanide Carbon monoxide Water gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry The BOD values of water indicate the Amount of ozone used for biochemical oxidation Amount of oxygen used for biochemical reduction Amount of organic debris Amount of oxygen used for biochemical oxidation Amount of ozone used for biochemical oxidation Amount of oxygen used for biochemical reduction Amount of organic debris Amount of oxygen used for biochemical oxidation ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most electropositive elements among the following is Na Ca Cs K Na Ca Cs K ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is the heaviest metal among the following? Silver Iron Gold Copper Silver Iron Gold Copper ANSWER DOWNLOAD EXAMIANS APP
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