Limestone Cycle - limestone, quicklime and slaked lime

The video tutorial explains the limestone cycle, starting with the reaction of lime water turning milky due to calcium carbonate formation. It covers the formation of limestone from marine deposits, its uses, and the thermal decomposition process in a rotary kiln to produce quicklime and carbon dioxide. The video also details the reactions of quicklime with water to form slaked lime and lime water, completing the limestone cycle. The tutorial concludes with a recap of the cycle, emphasizing the transformation of limestone through various chemical reactions.

How is calcium carbonate formed from lime water?

Explain the significance of the limestone cycle in nature.