We have seen potato getting used in the experiment of glowing bulbs. What kind of acid is contained in potato that helps in glowing the bulb experiment?
Dilute H3PO4
Phosphoric acid
Potato contains a lot of phytonutrients and along with this, it facilitates the electrochemical reaction of zinc with copper.
Whenever zinc is used for such experiments, it reacts readily with acid to liberate electrons.