Concrete tank can be used to store________________?
Correct answer: D. Saturated brine
- A. Alum
- B. Ferrous sulphate
- C. Sulphuric acid
- D. Saturated brine
Explanation
Concrete tanks are suitable for saturated brine because the salt solution is not strongly acidic. Sulphuric acid attacks concrete, while alum and ferrous sulphate solutions are generally stored in more suitable corrosion-resistant materials.
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