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In contact process, SO3 is absorbed in 97% H2SO4 and not in water, because | |
A. | SO3 gas is sparingly soluble in water. [Wrong Answer] |
B. | water forms an acid mist, which is difficult to absorb. [Correct Answer] |
C. | the purity of acid is affected. [Wrong Answer] |
D. | scale formation in the absorber is to be avoided. [Wrong Answer] |