Which is the most efficient absorbant for SO 3 out of the following? – OfficerPath

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Which is the most efficient absorbant for SO 3 out of the following?

Subject: Chemical EngineeringTopic: Chemical Process

A

20% oleum

B

65% oleum

C

78% H 2 SO 4

D

98% H 2 SO 4

Correct Answer: D

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