Question
What is the chemical formula of common salt?
This question was previously asked in
RRB NTPC 2019 CBT 1 Question Paper (8-Mar-2021) (Shift 2)
The correct answer is
NaCl
Chemical Formula of Common Salt
Common salt, widely used in households for cooking and preservation, is chemically known as sodium chloride.
The chemical formula represents the types and numbers of atoms present in a compound.
Identifying the Formula
- Common salt is an ionic compound formed between sodium and chlorine.
- Sodium has the chemical symbol $\text{Na}$.
- Chlorine has the chemical symbol $\text{Cl}$.
- When they combine in a 1:1 ratio, they form sodium chloride.
Therefore, the chemical formula for common salt is NaCl.
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