Which of the following is a physical change? (1 point) A) Turning a solid sodium and chlorine gas into salt
B) burning a piece of wood
C) Forming a mixture
D) Food turning into waste in the intestines

Maybe C.

Explanation:

A is a chemical change,

B is a chemical change

C is a physical change,

and D is a chemical change.

A physical change is when you combine something that you can take apart again, like salad.

A chemical change is when you combine something that you can't take apart, like Na + Cl = NaCl. It is incredibly difficult to take apart things at the atomic level!

Hope this helped!

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