1.

What happens when (i) Conc. H_(2)SO_(4) is added to CaF_(2). (ii) SO_(3) is passed through water?

Answer»

Solution :(i) It forms hydrogen fluoride.
`CaF_(2)+H_(2)SO_(4)RARR CaSO_(4)+2HF`
(II) It dissolved `SO_(3)` to GIVEN `H_(2)SO_(4)`
`SO_(3)+H_(2)Orarr H_(2)SO_(4)`.


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