Question

when limestone is heated strongly in a furnace a white colour substance X is formed . what are the ionic constituents of X​

Answer 1

Answer:

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)↑

Explanation: