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Which risk increases when using deionized water in steel piping?

A)Accelerated galvanic corrosion occurs
B)Passivation layer formation slows
C)Water hardness increases rapidly
D)Erosion corrosion rate declines

💡 Explanation

Galvanic corrosion accelerates because the **dissociation** of water creates H+ and OH- ions; therefore, with impurities severely limited via deionisation forming hydroxide electrolytes, electrons flow between cathodic and anodic sites is optimized promoting oxidation, rather than restricted as with a robust oxide.

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