Which of the following is not a characteristic of carbon dioxide?
The characteristics of carbon dioxide are:
(1) It is a colourless, odourless and tasteless gas.
(2) It dissolve in water to form acidic solution.
(3) It does not support combustion. Therefore, it has its use in fire extinguishers to put out fires.
(4) It reacts with lime water to form insoluble calcium carbonate.