Question

Which of the following is not a physical change? Question 9 options:

A. Carbon reacting with oxygen to form CO2
B. Frost deposition on a cold window
C. Vaporization of water
D. Sublimation of CO2

Answer 1

Option A

Step-by-step explanation:

Carbon reacting with oxygen to form carbon dioxide is a chemical change as in this process a totally new substance is formed.

Hope this helps.

Answer 2

A.Carbon reacting with oxygen to form co2 is not a physical change it's a chemical change :)