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ICSE Class 10 Chemistry 2015 Solved Paper

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Question : 71
Total: 85
In the contact process for the manufacture of sulphuric acid give the equations for the conversion of sulphur trioxide to sulphuric acid.
Solution:  
SO3+‌
H2SO4
‌ (Conc.) ‌
‌
→
H2S2O7
Oleum

H2S2O7+H2O→H2SO4
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