Question 7(Multiple Choice Worth 3 points)(06.04 MC)Which statement describes the neutralizing effect of limestone when exposed to acid rain? Carbonic acid is neutralized by calcium carbonate to reform carbon monoxide gas. Carbonic acid increases the pH of ocean waters and neutralizes calcium carbonate. Acid rain releases bicarbonate in the limestone that reacts with carbonic acid to neutralize it. Carbonic acid in ocean waters neutralizes calcium carbonate that forms coral reefs.
Question
Question 7(Multiple Choice Worth 3 points)(06.04 MC)Which statement describes the neutralizing effect of limestone when exposed to acid rain? Carbonic acid is neutralized by calcium carbonate to reform carbon monoxide gas. Carbonic acid increases the pH of ocean waters and neutralizes calcium carbonate. Acid rain releases bicarbonate in the limestone that reacts with carbonic acid to neutralize it. Carbonic acid in ocean waters neutralizes calcium carbonate that forms coral reefs.
Solution
The correct answer is: Acid rain releases bicarbonate in the limestone that reacts with carbonic acid to neutralize it.
Here's a step-by-step explanation:
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Acid rain is formed when sulfur dioxide and nitrogen oxides mix with water, oxygen, and other chemicals in the atmosphere, resulting in sulfuric acid and nitric acid.
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When acid rain falls on areas with limestone, a chemical reaction occurs. Limestone is primarily made up of calcium carbonate.
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The sulfuric acid in the rain reacts with the calcium carbonate in the limestone, releasing bicarbonate.
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This bicarbonate then reacts with the carbonic acid (also present due to the dissolution of carbon dioxide in water), neutralizing it.
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The overall effect is a reduction in the acidity of the rainwater, hence the term 'neutralizing effect'.
Similar Questions
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