Chemistry The metal ion present in Vitamin B12 is Cobalt Iron Nickel Zinc Cobalt Iron Nickel Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry The highest volume of gases in lower atmosphere is comprised of Hydrogen Oxygen Carbon dioxide Nitrogen Hydrogen Oxygen Carbon dioxide Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Earth’s atmosphere is an envelope of gases extending to a height of 150 km 100 km 200 km 300 km 150 km 100 km 200 km 300 km ANSWER DOWNLOAD EXAMIANS APP
Chemistry White lung cancer' is caused by Asbestos Silica Paper Textiles Asbestos Silica Paper Textiles ANSWER DOWNLOAD EXAMIANS APP
Chemistry The cathode of a lead storage battery is made up of Lead oxide Manganese dioxide Zinc Lead Lead oxide Manganese dioxide Zinc Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following statement is correct ?Ozone is found in the earth's atmosphere mostly between 10 and 20 km 20 and 50 km 50 and 100 km 5 and 10 km 10 and 20 km 20 and 50 km 50 and 100 km 5 and 10 km ANSWER DOWNLOAD EXAMIANS APP
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