Is popping popcorn a physical or chemical change? How can you tell?

It is a Physical change.

Explanation:

To summarize, making popcorn results in major changes to the physical shape, and the release of water, but there is no major change in chemical composition. It is no secret how to get the most popped corn from your kernels; you need just the right amount of water in the endosperm and a robust pericarp.

Hm I learned these last year but its a physical change.

Explanation:

How I can tell:

Popped popcorn is a liquid when popping. But when the kernel turns inside out that makes it a physical change.

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nacl or sodium chloride is an ionic compound. this is because an ionic compound pertains to a compound that consists of positively and negatively charged ions. in this case, na (sodium) has a tendency to lose one electron when it reacts with with other atoms, so the resulting sodium ion contains 11 protons and 10 electrons, thus making it positively charged (na+), when chlorine reacts, it usually gains one electron to form an ion called chloride, thus making it negatively charged ( since the ions are oppositely charged, they attract.