Which of the following is an example of only a physical change? (1 point)

Question

the creation of table salt

the smell of rotten eggs

dry ice becoming vapor

the green color of the Statue of Liberty

Answer 1

c.
You COULD

Answer 2

You COULD argue that d was a physical change, also, but I thin what the problem is talking about is the green color on statues which is a mixture of CuCO3 and CuO and that certainly is a chemical change.