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Which outcome occurs when chloride ions disrupt the electrostatic balance in concrete?

A)Reinforcement bar corrosion accelerates
B)Alkali-silica reaction diminishes
C)Cement hydration reaction increases
D)Concrete compressive strength rises

💡 Explanation

Chloride ions promote the weakening of the passive film protecting the reinforcement bars, causing *chloride-induced corrosion*. This occurs because chloride ions penetrate pores, displacing hydroxyl ions which maintain passivity; therefore, reinforcing bars oxidize rather than remain stable.

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