Question

Commercial use of this salt

Answer 1

Salt is the most effective, readily available, and economical highway deicer in use today and accounts for 8% of all salt productio. In paper making salt is used to manufacture caustic soda and chlorine. Caustic soda is used to process wood fibres and chlorine is used to bleach the pulp.

Answer 2

Salt is used in cooking food.
it is its main commercial use