| | # {{inorganic compound}} The normal [[oxide]] of [[carbon]], CO<sub>2</sub>; a [[colorless]], [[odorless]] [[gas]] formed during [[respiration]] and [[combustion]] and [[consumed]] by [[plant]]s during [[photosynthesis]]. | | # {{inorganic compound}} The normal [[oxide]] of [[carbon]], CO<sub>2</sub>; a [[colorless]], [[odorless]] [[gas]] formed during [[respiration]] and [[combustion]] and [[consumed]] by [[plant]]s during [[photosynthesis]]. |
| − | # Compared to [[carbon monoxide]], CO<sub>2</sub> is a non-toxic gas, similar to the inert gases. Carbon dioxide is used on welding and lasers; unlike noble gases, it only reacts on water and minerals to produce carbonates and carbonic acid (chiefly referred as carbonation). | |
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