VIDEO

Foaming Soda

Foaming Soda
Bubbles are formed in the liquid and foam appears on top of the soda. Each bubble seen in the soda is a collection of carbon dioxide gas. Salt and carbon dioxide are both kinds of matter that take up space. When salt is added to the cola, bubbles of carbon dioxide stick to the grains of salt. Larger bubbles will be formed and rise to the top, bringing small amounts of soda with them. This movement of gas makes foam on top of the liquid.
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