Physical properties of carbon dioxide are:
- It is an odourless gas.
- It is a colourless gas.
Chemical properties of carbon dioxide are:
- It is non-combustible and does not support combustion.
- It turns lime water milky.
- It is fairly soluble in water and dissolves in water forming carbonic acid.
- It turns blue litmus red indicating it is acidic in nature.
- The colour of universal indicator turns orange/ yellow in CO2 indicating its pH value between 4 and 6, i.e. acidic in nature.
