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Polyurethanes are used for purifying the ________

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Polyurethanes are used for purifying the ________

(a) Water

(b) Alcohol

(c) Acids

(d) Salt solutions

I had been asked this question during an interview.

Question is taken from Preparation, Properties and Applications of Some Compounds in chapter High Polymers and Plastics of Applied Chemistry

1 Answer

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Best answer
Right choice is (a) Water

The best I can explain: Polyurethanes are used for purifying the water. They are used in refrigeration and freezers also.

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