Dry Ice in Daily Life

Dry ice, which many friends must have heard of, is actually solid carbon dioxide. So what is the role of dry ice in life?

1.    Usually used for fire fighting and extinguishing

2.    It can be used as a refrigerant.

3.    Cleaning up fouling on industrial equipment

4.    Used for artificial rainfall

5.    For food beautification

6.    Used for making chemical reagents