What Is the PH Level of a Lime?

By Staff WriterLast Updated Apr 6, 2020 5:01:33 AM ET
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The pH level of a lemon or a lime is approximately 2.2 because they are both highly acidic with a composition of 5 to 6 percent of citric acid. Solutions that have a pH of seven or less are said to be acidic, while those with a pH level above seven are said to be basic.