Question

The chemical formula for common salt is

• A. CaCO₃
• B. CaCl₂
• C. NaCl
• D. NH₄Cl

Answer 1

The correct option is C

NaCl

Correct option explanation

(c) NaCl

NaCl is named as sodium chloride.

Sodium chloride is an ionic compound in which the sodium and chloride ions are in the ratio of 1:1. It is commonly called table salt, common salt.

Incorrect option explanation

(a) CaCO₃ is named as calcium carbonate and commonly named as limestone.

(b)CaCl₂ is named as calcium chloride.

(d) NH₄Cl is named as ammonium chloride.

Concluding statement

Sodium chloride is commonly called table salt, common salt having the chemical formula as NaCl, therefore, option (c) NaCl is the correct option.