Question Detail Which metal is heaviest ? osmiummercuryironnickle Answer: Option A Similar Questions : 1. Human bone does not contain calciumcarbonoxygenphosphorous Answer: Option CExplanation:Human bone contains calcium, carbon, phosphorous. 2. 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 3. The gas used for artificial ripening of green fruit is ? ethaneethylenecarbon dioxideacetylene Answer: Option B 4. Air is a compoundcolloidelementmixture Answer: Option D 5. Natural rubber is a polymer derived from ? ethylenepropyleneisoprenebutadiene Answer: Option C Read more from - Chemistry Questions Answers