Solution:Concept- Sodium chloride is a fundamental salt that is utilised on a regular basis (NaCl).
Table salt is a frequent name for sodium chloride.
Its chemical formula is NaCl, and the ratio of sodium to chloride is 1:1.
It is typically a crystalline solid made from seawater.
Table salt's pH in water is almost 7, making it neutral.
It is employed in the food business as a preservative and flavouring agent in the manufacture of chemicals.
To hasten the melting of ice, it is sprinkled over icy highways.
It also has biological relevance and aids in maintaining fluid balance, blood pressure, nutrient absorption, and transportation in the human body.
Basic salt used by ourself in our daily life is sodium chloride ( NaCl )
Na+ + Cl- = NaCl (Basic salt)
Hence, the correct answer is option (2).