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Multiple Choice

Which of the following beverages is commonly acidic?

Beverages vary in acidity because they contain acids that donate hydrogen ions, lowering the pH. Orange juice is rich in citric acid, which gives it a low pH (around 3.3) and a distinctly acidic taste. That strong acidity makes it a classic example of an acidic beverage. Apple juice also has acid (malic acid) and is acidic, but it’s typically not as strongly acidic as orange juice. Milk has a higher pH, about 6.5–6.7, so it’s near neutral and only mildly acidic at most. Water is essentially neutral, near pH 7. So orange juice stands out as the commonly acidic option.

Beverages vary in acidity because they contain acids that donate hydrogen ions, lowering the pH. Orange juice is rich in citric acid, which gives it a low pH (around 3.3) and a distinctly acidic taste. That strong acidity makes it a classic example of an acidic beverage. Apple juice also has acid (malic acid) and is acidic, but it’s typically not as strongly acidic as orange juice. Milk has a higher pH, about 6.5–6.7, so it’s near neutral and only mildly acidic at most. Water is essentially neutral, near pH 7. So orange juice stands out as the commonly acidic option.