Ethan makes the table below to record his observations when mixing baking soda and vinegar in a beaker.image ab17ec12a8814e03b67c07f3da5f7ab8

Ethan claims that a chemical change has occurred. Which statement provides the BEST evidence to support his claim?

a
All of the solid disappeared after mixing.
b
Many bubbles formed after mixing.
c
The remaining solid settled after mixing.
d
The liquid remained clear after mixing.