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Which of the following process is used for the prereparation of sulphuric acid? |
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Answer» Answer: the contact process SO2 is oxidized to SULFUR trioxide (SO3) at high temperature (about 450°C) in the presence of a vanadium catalyst. SO3 then is DISSOLVED in concentrated sulfuric ACID forming fuming sulfuric acid (oleum). This can then be reacted safely with WATER to produce concentrated sulfuric acid |
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