Why Mentos and Coke Explode?

In the Diet Coke bottle the Mentos candy provides a rough surface that allows the bonds between the carbon dioxide gas and water to break more easily, helping to create carbon dioxide bubbles. ... Because Mentos candies are rather dense, they sink rapidly through the liquid, causing a fast, large eruption.

What ingredient in Mentos makes Coke explode?

Primarily, the sugar, aspartame and potassium benzoate included in the candy shell reduce the work it takes to form bubbles in the soda, causing a rapid creation of carbon dioxide bubbles. These ingredients accelerate the foaming action of the soda very quickly, causing the infamous explosion.

Does Mentos and Coke really explode?

This is an urban myth. It's true that putting Mentos into a bottle of Coke will cause an impressive geyser of soda to erupt from the bottle. However, you won't get the same effect from eating Mentos after drinking Coke.