Molten phthalic anhydride is stored in a/an _______________ vessel?
Correct answer: D. Aluminium
- A. Glass lined steel
- B. Nickel clad steel
- C. Lead lined steel
- D. Aluminium
Explanation
Molten phthalic anhydride is commonly stored in aluminium vessels because aluminium offers suitable resistance to the molten product. Steel linings such as lead or glass are not the usual choice for this service.
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