colorless flammable boils at 78°C density of 0.79 g/cm^3
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: Which of the following properties of ethanol is a chemical property?
Possibilities:
- colorless
- flammable
- boils at 78°C
- density of 0.79 g/cm^3

flammable