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← ScienceWhich consequence results when high humidity contacts magnesium chloride pavement deicer?
A)Increased ionic conductivity accelerates corrosion✓
B)Reduced freezing point prevents road ice
C)Endothermic reaction lowers pavement temperature
D)Covalent network resists mechanical abrasion
💡 Explanation
Magnesium chloride absorbs water through hygroscopy; therefore, increased free ions in solution raise the medium's conductivity, thus accelerating galvanic corrosion via electrochemical reactions, rather than simply lowering freexing, because other mechanisms can provide freezing point depression.
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