If you’re still thinking about the famous Coke and Mentos reaction, wait until you see this cool Coke and milk thing. Coca-Cola is one of the most controversial drinks in the world. Its popularity is huge and there is entire empire behind its name, but on the other side you’ve must’ve heard numerous stories about its, let’s say suspicious, impact on our health.
Coke has an acidic pH between 2.5 and 4.5, and people claim they use coke for tarnish of coins and other metal stuff, and some people even use it to degrease car engines. You’ve probably already heard about that and many other stories where people use coke to do things you don’t expect to hear about a soda drink. In the video below you can see what happens when we mix Coke with another liquid with a normal pH.
Milk has normal PH. What happens when we mix some coke and milk?
You don’t need to pour a lot of milk into the Coke bottle, just a little will do the trick
Close the bottle and forget about it for six hours
When you return to your experiment after six hours, here’s what you’ll find
A clear liquid on the top of the bottle…
and at the bottom… OMG! It looks like dirt and sand
What actually happened here? The reaction of the Phosphoric Acid contained in the Coke and milk.
Phosphoric Acid molecules attach to the milk, giving them more density. This process separates these molecules from the rest at the bottom of the bottle, while the remaining liquid becomes lighter and floats on top.
Here is the entire process captured on video, check it out:
TL ; DR version : What happenes when your mix Coke and milk? The reaction of Phosphoric Acid in the Coke & milk. Phosphoric Acid molecules attach to the milk giving them more density, so they sink to the bottm of the bottle while all other materials float to the top.
Wanna try this at your home? Share this interesting coke and milk experiment with your friends!
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