Experiment 7 Mentos And Coke Ah, Mentos and Coke, we know them well. They have been on so many videos across the web. However, out of all the sweet things I've seen them do, I have never seen them put into a microwave... So what does happen when you put certain things, like Mentos and Coke, in a microwave? Well, we here at BLH Productions want to find out and we take you along for the ride when we ask, What Happens When You Microwave This?