Question

18. The process of Decomposition of limestone into quick lime is:
1) Exotherm
2) Endothermie
3) Isothermic
4) Neutralization​

Answer 1

calcining

When limestone is heated in a kiln, the calcium carbonate breaks down into calcium oxide and carbon dioxide. This type of reaction is called thermal decomposition. The process is called calcining. Once burnt limestone turns into calcium oxide which is known as quicklime

Answer 2

Answer:

when limestone is heated in klin, the calcium carbonate break down into calcium oxide and carbon dioxide this type of reaction is called thermal decomposition the process is called calciling once burnt limestone turn into calcium oxide