The following are the characteristics of carbon dioxide gas:
1. It is a heavy gas.
2. Carbon dioxide is evolved due to burning the fuel and organic matter.
3. Due to this gas, the process of photosynthesis takes place in plants.
4. It is a gas whose volume is not constant in the atmosphere.
5. The volume of this gas is increasing.
6. Increased volume of this gas is causing problems like global warming and climate change.
