Coca-cola and milk already sound like a horrible combo, but have you ever wondered what exactly would happen if you combined them into one bottle? Well, this experiment will show you just that, and the results may surprise you. Let’s just say that instead of a dark cloudy liquid, you’ll get something unexpectedly clear. Continue reading for more pictures, a video and additional information.

This cool-looking separation happens because of a reaction between phosphoric acid and milk. Simply put, phosphoric acid molecules attach to the molecules of milk, which increases the density and separates them from the rest of the liquid. The remaining liquids, having less density than the phosphoric acid and milk molecules, floats on top.