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What is the correct answer?

4

In contact process, SO3 is absorbed in 97% H2SO4 and not in water, because

A. SO3 gas is sparingly soluble in water

B. Water forms an acid mist, which is difficult to absorb

C. The purity of acid is affected

D. Scale formation in the absorber is to be avoided

Correct Answer :

B. Water forms an acid mist, which is difficult to absorb


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