In the production of soda ash by Solvay process, the by-product is____________________?
Correct answer: A. CaCl2
- A. CaCl2
- B. NH4Cl
- C. NH3
- D. NaOH
Explanation
In the Solvay process, calcium carbonate is converted to calcium oxide, which reacts with ammonium chloride to regenerate ammonia and form calcium chloride. Thus, CaCl2 is the principal by-product, while NH3 is recycled.
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