Chemistry Which one of the following metals pollutes the air of a city having large number of automobiles? Lead Chromium Cadmium Copper Lead Chromium Cadmium Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry Who developed the model of atomic structure ? Bohr and Rutherford Faraday Volta Alfred Nobel Bohr and Rutherford Faraday Volta Alfred Nobel ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is liquid non-metal ? Mercury Water Alcohol Bromine Mercury Water Alcohol Bromine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is found in kidney stones? Sodium chloride Calcium acetate Calcium oxalate Sodium oxalate Sodium chloride Calcium acetate Calcium oxalate Sodium oxalate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iron and manganese present as pollutants in water cannot be removed by________ Lime soda process or manganese zeolite process Chlorination Ion exchange process Oxidation followed by settling and filtration Lime soda process or manganese zeolite process Chlorination Ion exchange process Oxidation followed by settling and filtration ANSWER DOWNLOAD EXAMIANS APP
Chemistry The non-metal found in the liquid state is Nitrogen Fluorine Bromine Chlorine Nitrogen Fluorine Bromine Chlorine ANSWER DOWNLOAD EXAMIANS APP
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