The chemical name of caustic soda is Sodium hydroxide (NaOH).
It is alkali in nature.
There are many uses of caustic soda in our day to day life, such as:
1 . Used as drain pipe cleaner.
2 . Used in the Production of soap and detergents.
4 . Used in the preparation of soda lime. Etc.
It is used as a cleaning agent because caustic soda converts fats and grease into soap, which easily dissolves into the water.
Final Answer:
Hence, the answer is Sodium hydroxide (NaOH).