Reactor used in the production of polyvinyl chloride (PVC) is made of____________________?
Correct answer: C. Nickel or glass lined steel
- A. Tantalum
- B. Aluminium
- C. Nickel or glass lined steel
- D. Lead
Explanation
PVC polymerisation can involve corrosive chloride-containing materials, so reactors are commonly glass-lined steel or nickel alloy to resist corrosion and prevent contamination. Aluminium and lead do not provide the required combination of strength and chemical resistance.
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