Question

A: When calcium carbonate is heated it decomposes to give calcium oxide and carbo dioxide R: The decomposition reactions take place on the application of heat therefore it is an endothermic reaction

Answer 1

Answer:

Answer. Calcium carbonate will decompose to form carbon dioxide and calcium oxide. Carbonate compounds will decompose when heated. Calcium carbonate has a 1:1 ratio because calcium forms a +2 ion and carbonate