WBJEE 2013 Chemistry Solved Paper

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Question : 41 of 60

Marks: +1, -0

‘Sulphan’ is

a mixture of SO3 and H2SO5
100% conc. H2SO4
a mixture of gypsum and conc. H2SO
100% oleum (a mixture of 100% SO3 in 100% H2SO4)

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