Chemistry Surface water is a better source of drinking water because it is poor in Algae Dust Bacteria Arsenic Algae Dust Bacteria Arsenic ANSWER DOWNLOAD EXAMIANS APP
Chemistry A metal is exposed to the atmosphere for sometime. It becomes coated with green carbonate. The metal must be Copper Silver Zinc Aluminium Copper Silver Zinc Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is heaviest naturally-occurring element of the periodic element Iron Thorium Uranium Rhodium Iron Thorium Uranium Rhodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Pollutant from motor car exhaust that causes mental disease is Hg SO2 Lead NO2 Hg SO2 Lead NO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant constituent of atmospheric air is : Carbon Hydrogen Nitrogen Oxygen Carbon Hydrogen Nitrogen Oxygen ANSWER DOWNLOAD EXAMIANS APP
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