Mercury electrolytic cell produces 50-70% NaOH solution. Its operating temperature is ______________ °C?
Correct answer: D. 60-70
- A. 25
- B. 250-300
- C. 150-200
- D. 60-70
Explanation
A mercury cathode cell operates at approximately 60 to 70°C and produces concentrated caustic soda, commonly around 50 to 70%. The higher temperature ranges listed are unsuitable for this electrolysis cell.
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