- Carbon dioxide is a kind of substance
- Color is a property of a substance
- So, color is a kind of property of carbon dioxide

- Colorless is a kind of color
- Carbon dioxide is colorless
- Hence, carbon dioxide is colorless in color

- Color is a kind of property of carbon dioxide
- Carbon dioxide is colorless in color
- Therefore, being colorless is a property of carbon dioxide

Therefore, being colorless is a property of carbon dioxide
[Question]Which of the following is a property of CO2 gas?
[Context]- Colorless is a kind of color 
- Carbon dioxide is a kind of substance 
- Carbon dioxide is colorless 
- Color is a property of a substance