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Why can acid rain water be more corrosive than normal water?

Answer and explanation

Correct answer: It contains acidic substances that lower pH

The governing concept is the relationship between acidity and pH. Acid rain forms when atmospheric acidic oxides produce acids in rainwater. The dissolved acids increase hydrogen-ion concentration and lower the pH. Such water can react more readily with metals, carbonates, and some building materials, increasing corrosion or damage. Therefore option A is correct. Sugar, absence of ions, and pH 14 do not describe acid rain.

Related tags

Acid RainPhCorrosionAcidsBasesAnd SaltsAcids Bases And SaltsChemical Substances – Nature And BehaviourChemical Substances Nature And BehaviourScience

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