Question

Which of these substances has the lowest pH: wine, lemon juice, or bleach?

Answer 1

The lower the number, the more acidic the substance is. Lemon juice has a pH of around 2, which means it's very acidic. Wine is around 3.5 - 4 pH, while bleach is much more basic with a pH of around 12. 

Answer 2

Bleach has the lowest pH, with a pH of approximately 11. Wine has a pH of approximately 3.5-4.5, and lemon juice has a pH of approximately 2.

Answer 3

The substance with the lowest pH is the lemon juice.

pH is a measure of acidity or basicity and it ranges from 0 to 14. The lower the number, the more acidic the substance is. Lemon juice has a pH of around 2, which means it's very acidic. Wine is around 3.5 - 4 pH, while bleach is much more basic with a pH of around 12.