Question

CO2 obtained from decomposition of limestone stone and CO2 obtained from combustion of carbon is mixed together will it be pure substance or mixture give two points to justify your answer. explain me​

Answer 1

Decomposition reaction is a type of chemical reaction in which a single compound breaks down into two or more elements or new compounds.Calcium carbonate or limestone decomposes into calcium oxide and carbon dioxide when heated and the reaction is used to make quicklime and carbon dioxide gas.

CaCO

3

(s)

heat

CaO(s)+CO

2

(g)↑