Question

Why is lemon sour???

Answer 1

Answer:

So, a solution with a pH of 4 has 10 times more hydrogen ions in it than a solution with a pH of 5, and 100 times more than a pH of 6. Oh, and a lemon has a pH of around 2. It's pretty acidic—and that's why it's sour.

Answer 2

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• Lemon is sour because of citric acid and it has a pH of around 2.