Easter Eggs Chemistry Version 🥚 🐣 🐥 The chemistry behind making rubber eggs with vinegar involves a reaction between the acetic acid in vinegar and the calcium carbonate in the eggshell. When vinegar comes into contact with the eggshell, it reacts to produce calcium acetate, carbon dioxide, and water. The carbon dioxide gas generated during the reaction causes fizzing or bubbling. Over time, the acetic acid continues to reach with the eggshell, resulting in a softer and rubbery texture. It's