Question

Which of the following is NOT an example of a chemical change?

A) A hand warmer heats up after you squeeze it.


B) Water evaporates into steam.


C) An antacid tablet neutralizes stomach acid.


D) Baking soda and vinegar foam and erupt like a volcano.

Answer 1

I think it’s C...........

Answer 2

hi there !!

B) Water evaporates into steam.

this is correct because only physical state changes, steam can be cooled down to get water again.