Chemistry The water pollution in river is measured by the dissolved amount of Oxygen Nitrogen Chlorine Ozone Oxygen Nitrogen Chlorine Ozone ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most common cause of pollution of air is Carbon monoxide Carbon dioxide Smoke Sulphur dioxide Carbon monoxide Carbon dioxide Smoke Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one element has the lowest electronegativity value Chlorine Fluorine Francium Radium Chlorine Fluorine Francium Radium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nucleons are regarded as composites sub-particles known as Photons Quarks Mesons Leptons Photons Quarks Mesons Leptons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals occurs in free state ? Zinc Copper Lead Iron Zinc Copper Lead Iron ANSWER DOWNLOAD EXAMIANS APP
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