Lemon juice contains citric acid. Which of the following pH values would lemon juice most likely have?

Question

Lemon juice contains citric acid. Which of the following pH values would lemon juice most likely have?

Quizplus · Accepted Answer

Since lemon juice contains an acid, it will most likely have an acidic pH. The only acidic pH in the options above is 2. In fact, the pH of citric acid is 2.2.
Below is a PH scale with the respective PH of common household items for your reference.
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Lemon Juice Contains Citric Acid