Can the limestone in instant rice be reused?
You can determine the extent of the reaction based on the flexibility of the limestone inside the package, the more soft is the more expired.
When the reaction is complete, the limestone has lost its role, it no longer has a water absorption function, otherwise, for a long time, the surface will be covered with bacteria. Therefore, the use of a certain time after the limestone must be discarded
Limestone in a certain period of time can be reused, and its main function is to absorb the free water molecules in the environment, the reaction CaO+H2O=====Ca (OH) 2
