Question

what do you mean by potential difference?why lemon is used to reduce acidity of stomach ​

Answer 1

$\huge\mathfrak\blue{Hey \: Mate}$

Potential difference is defined as the amount if work done in moving a unit positive charge from one point to another point

Answer 2

Explanation:

Although lemon juice is very acidic, small amounts mixed with water can have an alkalizing effect when it's digested. This can help neutralize the acid in your stomach. If you decide to try this home remedy, you should mix one tablespoon of fresh lemon juice with eight ounces of water.