Acetaldehyde is produced by hydration of acetylene in a sulphuric acid solution of mercuric sulphate. Hydration tower is made of___________________?
Correct answer: D. Rubber lined mild steel
- A. Cast iron
- B. Lead lined mild steel
- C. Aluminium
- D. Rubber lined mild steel
Explanation
The hydration mixture contains sulphuric acid and mercuric sulphate, so the tower needs strong corrosion protection. Rubber-lined mild steel combines structural strength with resistance to the acidic solution.
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