Chemistry The most abundant constituent of atmospheric air is : Nitrogen Carbon Oxygen Hydrogen Nitrogen Carbon Oxygen Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant element in the human body is Nitrogen Carbon Iron Oxygen Nitrogen Carbon Iron Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry An example of major air pollutant is Carbon dioxide Helium Carbon monoxide Oxygen Carbon dioxide Helium Carbon monoxide Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical name of rat poison is Zinc oxide Potassium cyanide Zinc phosphide Lead nitrate Zinc oxide Potassium cyanide Zinc phosphide Lead nitrate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The anode in a dry cell consists of Copper Zinc Cadmium Graphite Copper Zinc Cadmium Graphite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the process is known as nitrification? Conversion of nitrite to nitric oxide Reaction of Nitrogen Monoxide with oxygen to form nitric acid Conversion of ammonia to nitrites Reaction of nitrogen dioxide with water to form nitric acid Conversion of nitrite to nitric oxide Reaction of Nitrogen Monoxide with oxygen to form nitric acid Conversion of ammonia to nitrites Reaction of nitrogen dioxide with water to form nitric acid ANSWER DOWNLOAD EXAMIANS APP