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in The p Block Elements by (33.4k points)
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What happens when

1. Concentrated H2SO4 is added to CaF2 ?

2. SO3 is passed through water?

1 Answer

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Best answer

1. It form hydrogen fluoride.

CaF2 + H2SO4 → CaSO4 + 2HF

2. It dissolves SO3 to give H2SO4.

SO3 + H2O → H2SO4

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