Question

physical vs. chemical change quick check
which of the following is an example of only a physical change? (1 point)
o the green color of the statue of liberty
o the smell of rotten eggs
o the creation of table salt
o dry ice becoming vapor

Explanation:

A physical change is a change in which the substance's chemical composition remains the same. Dry - ice becoming vapor is sublimation, a physical change from solid to gas without changing the chemical identity (solid carbon - dioxide becomes gaseous carbon - dioxide). The green color of the Statue of Liberty is due to a chemical reaction (oxidation). The smell of rotten eggs is due to the formation of a new chemical (hydrogen sulfide). The creation of table salt is a chemical reaction between sodium and chlorine.

Answer:

dry ice becoming vapor