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Which outcome occurs when sustained high humidity impacts road surfaces treated with magnesium chloride?

A)Enhanced ionic mobility accelerates metal corrosion
B)Decreased surface tension improves vehicle traction
C)Reduced chloride diffusion minimizes concrete damage
D)Increased oxidation resistance protects rebar integrity

💡 Explanation

Enhanced ionic mobility accelerates metal corrosion because water absorption increases the mobility of chloride ions, facilitating electrochemical reactions. This reaction with iron is a consequence of ion transport, therefore it accelerates corrosion, rather than preventing further deterioration or improving other properties.

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