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Which statement correctly relates acid rain and carbonate rocks?

Answer and explanation

Correct answer: Acid rain can react with carbonates and slowly erode them

Carbonate rocks such as limestone contain carbonate ions, which react with acids. In a simplified reaction, an acid and a carbonate produce a salt, water, and carbon dioxide; for example, carbonate minerals can slowly dissolve in acidic rainwater. Repeated dissolution weakens and erodes the rock surface. Therefore option A is correct. Acid rain does not strengthen all carbonates, and its effects are not limited to iron.

Related tags

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

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