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Kernels of corn are heated and become popcorn. Why is this a chemical change?
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Kernels of corn are heated and become popcorn. Why is this a chemical change?

User HardRock
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Because it’s not a physical change
User Baptiste Arnaud
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Answer:

When popcorn is popped, liquid inside the kernel is changed to steam. Pressure from the steam builds up inside the kernel. When the pressure reached a critical stage the kernel pops turning itself inside out. This is a physical change.

Step-by-step explanation:

User Hivenfour
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