Question

what is carbon dioxide ​

Answer 1

$\huge\red{Answer}$

• Carbon dioxide is a chemical compound composed of one carbon and two oxygen atoms.
• It is often referred to by its formula CO2.
• It is present in the Earth's atmosphere at a low concentration and acts as a greenhouse gas.

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Answer 2

Answer:

                                  Carbon Dioxide

Air contain CO₂ to an extent of 0.03 % by volume. It is the product of complete combustion of carbonaceous matter, respiration and fermentation reactions. It is found in caves, mines etc, and is evolved from volcanoes.  CO₂  can be easily liquefied under pressure (about 50-60 atmosphere) at 20⁰C and also solidfied. At atmospheric pressure and -78.5⁰C,  CO₂  comes in solid  form, i.e., solid  CO₂  is technically known as dry ice (drikold) as it produces very low temperature (-100⁰C) with ether and hence, gives an excellent freezing mixture.