14. Which one of the following nonmetals shows allotropy in the liquid state? A.Carbon B.Sulphur C.Phosphorous D.Bromine
Answer: Option C Solution: Concentrated Sulphuric acid can only be stored in glass, no metal lids, some plastic containers. It will attack anything organic, causing severe burns, the good thing is it will not start a fire but if it goes into contact with a metal it may generate hydrogen gas, an explosion risk.
