Item Tested: Orange Slice
Predictions: The word citrus does come to mind when looking at an orange, and can be followed by the word citric acid, which can help us be pretty sure that oranges might be acidic, not to mention its powerful sour taste.
Conclusion: An orange slice, to nobody's surprise (hopefully), is acidic, with a probable pH of 2.
See the video below for a better idea of what we did.
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