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Which of the following method is adopted for preventing corrosion by moisture?

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Which of the following method is adopted for preventing corrosion by moisture?

(a) Deaeration

(b) Removal by using ion-exchange resin

(c) Neutralisation with lime

(d) Dehumidification

This question was addressed to me in unit test.

This intriguing question originated from Protective Measures Against Corrosion in chapter Corrosion, Electrolysis, Fuel Cells and Batteries of Engineering Chemistry II

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Correct answer is (d) Dehumidification

The explanation is: To prevent corrosion by moisture, moisture from the air is removed by dehumidification using silica gel.

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