Mentos in Pepsi is a simple chemical reaction. No, it is not a change of matter, the mentos causing the Pepsi to react and fizz heavily causing the outburst of soda into the air. The Pepsi is still a liquid, but the mentos dissolves. Thus a physical change, but still a solid.
Hope this helps~
Off Spring.
no
the baking soda mixes with the pepesi and they start to react and it explotes.But if uput sugar on it it starrrts to bubbling. to do this experiment you will need : pepsi baking soda a plastic plate a big empty soda bottle and... sugar. WARNING!! AFTER DING THIS EXPERIMENT DO NOT DRINK IT!