An ideal material of construction for the storage of 50% caustic soda solution would be___________________?
Correct answer: C. Monel
- A. Karbate
- B. High silicon cast iron
- C. Monel
- D. None of these
Explanation
Monel, a nickel-copper alloy, has excellent resistance to concentrated alkaline solutions such as 50% caustic soda. Karbate and high-silicon cast iron are more commonly selected for acid service than strong alkalis.
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