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Pick out the wrong statement. | |
A. | Conversion of SO2 to SO3 in Monsanto-4 pass converter is about 98%. [Wrong Answer] |
B. | The chemical formula of oleum is H2S2O7, which is formed by saturating sulphuric acid with sulphur trioxide. [Wrong Answer] |
C. | Vitriol oil is nothing but technical sulphuric acid. [Wrong Answer] |
D. | Decomposition of sulphuric acid on heating does not start before its boiling. [Correct Answer] |