Question Detail What is metallurgy ? process of extracting metal in pure form from its ore.process of creating alloys of metals.process of making metals live long.None of above. Answer: Option A Similar Questions : 1. Air is a compoundcolloidelementmixture Answer: Option D 2. The gas used for artificial ripening of green fruit is ? ethaneethylenecarbon dioxideacetylene Answer: Option B 3. All noble gases are ? colourlesscolourlesscolourless and odourlesscolourless and but have odour Answer: Option C 4. pH of water is 5678 Answer: Option C 5. Which have maximum number of isotopes ? BromineAluminiumPoloniumCarbon Answer: Option C Read more from - Chemistry Questions Answers