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A Drink Gone Wrong

Science brain teasers require understanding of the physical or biological world and the laws that govern it.

 

Puzzle ID:#32055
Fun:*** (2.67)
Difficulty:** (1.12)
Category:Science
Submitted By:TheSpartan1024*gr***

 

 

 



John was drinking a bottle of Diet Coke, and he had a Mentos mint in his mouth. He accidentally back-washed and the mint went into the bottle. He screamed, dropped the bottle, and stepped back about ten feet.
Why did he do this?



Answer

When he loses the Mentos into the soda, the gelatin and gum arabic from the dissolving candy breaks the surface tension. This disrupts the water mesh, so that it takes less work to expand and form new bubbles.
The reaction is physical, not chemical.
Basically, the ingredients in the mentos and soda are similar to the reaction of baking soda and vinegar, and causes an eruption.

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