Chemistry Which of the following is a secondary pollutant ? CO PAN SO2 NO CO PAN SO2 NO ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ultraviolet radiation striking the earth is due to the depletion of Oxygen Ozone Carbon monoxide Carbon dioxide Oxygen Ozone Carbon monoxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Many people died in London in 1952 as result of air pollution producing Smog Mist Sleet Fog Smog Mist Sleet Fog ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most reactive among the halogens is Chlorine Fluorine Bromine Iodine Chlorine Fluorine Bromine Iodine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one element has the lowest electronegativity value Radium Francium Fluorine Chlorine Radium Francium Fluorine Chlorine ANSWER DOWNLOAD EXAMIANS APP
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