Contact process of sulphuric acid manufacture ____________________?
Correct answer: D. Yields acid of higher concentration than chamber process
- A. Eliminates absorber
- B. Yields acids of lower concentration than chamber process
- C. Is obsolete
- D. Yields acid of higher concentration than chamber process
Explanation
The contact process produces concentrated sulphuric acid, commonly about 98%, whereas the chamber process gives a much more dilute acid. The contact process still requires absorption of SO₃, so it does not eliminate the absorber.
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