Emerson 發問於 科學及數學化學 · 1 十年前


As above, why do I put two electrodes which connected to the voltmeter into the lemon will have electricity generated?

2 個解答

  • 1 十年前

    Lemon contains citric acid, which cause the sour taste of it. The citric acid is a weak acid and will ionize incompletely to form hydrogen ions and the anions of the acid in water. Hence, lemon juice is an electrolyte containing ions and is able to conduct electricity.

  • 1 十年前

    because lemon acts as a electrolyte .

    eletrons will pass through it

    資料來源: me