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Which of the following polymer has excellent corrosion resistance to nitric acid?

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Which of the following polymer has excellent corrosion resistance to nitric acid?

(a) Teflon

(b) Polyvinyl chloride

(c) Polystyrene

(d) Polyethylene

This question was posed to me in class test.

I need to ask this question from Mineral Acids in portion Mineral Acids of Corrosion Engineering

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Correct option is (a) Teflon

To explain I would say: Teflon shows excellent corrosion resistance to nitric acid. Glass filled Teflon is widely used for rotating rings in mechanical seals for nitric acid pumps.

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