Which of the following processes does not produce Cl2 as a co-product during the manufacture of caustic soda ?
Correct answer: C. Lime-soda process
- A. Diaphragm electrolytic cell process
- B. Mercury electrolytic cell process
- C. Lime-soda process
- D. None of these
Explanation
The diaphragm and mercury chlor-alkali processes electrolyse brine and produce chlorine as a co-product. The lime-soda process is a chemical water-softening process and does not produce chlorine.
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