Question

taking in to consideration the relationship in the first pair complete the second pair

Answer 1

Answer:

Explanation:

The reaction, CaCO3 →CaO+CO2  is a Decomposition reaction.

Decomposition reactions are a type of chemical reaction that involves breaking down a compound into smaller compounds or individual elements. These reactions often involve the input of energy in the form of heat, light, or electricity to break down the compounds.