Chemistry The purest form of water in nature is River water Rain water Sea water Lake water River water Rain water Sea water Lake water ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant constituent of atmospheric air is : Hydrogen Nitrogen Carbon Oxygen Hydrogen Nitrogen Carbon Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry What are the number of moles of CO2 which contains 16 g of oxygen? 0.2 mole 0.5 mole 0.25 mole 0.4 mole 0.2 mole 0.5 mole 0.25 mole 0.4 mole ANSWER DOWNLOAD EXAMIANS APP
Chemistry Total number of halogen elements found in the periodic table is 3 5 13 8 3 5 13 8 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Stainless steel is usually made by alloying the steel with Manganese and copper Copper and chromium Copper and nickel Chromium and nickel Manganese and copper Copper and chromium Copper and nickel Chromium and nickel ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is the purest form of carbon Coal Iron Diamond Graphite Coal Iron Diamond Graphite ANSWER DOWNLOAD EXAMIANS APP
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