Write two chemical properties of carbon dioxide.

Chemical properties of carbon dioxide:

(1)Action on litmus paper:

Carbon dioxide turns moist blue litmus red. This shows that the gas is acidic in nature.

(2)Reaction with water:

Carbon dioxide dissolves in water to give carbonic acid(a weak acid).

${\mathrm{CO}}_2\left(\mathrm{g}\right)+{\mathrm{H}}_2\mathrm{O}\left(\mathrm{l}\right)\to {\mathrm{H}}_2{\mathrm{CO}}_3\left(\mathrm{aq}\right)$