Question

The chemical formula of washing soda is:

• A. $\text{NaCl}$
• B. ${\text{NaHCO}}_3$
• C. $\text{NaOH}$
• D. ${\text{Na}}_2{\text{CO}}_3\cdot 10{\text{H}}_2\text{O}$

Answer 1

The correct option is D ${\text{Na}}_2{\text{CO}}_3\cdot 10{\text{H}}_2\text{O}$

${\text{Na}}_2{\text{CO}}_3\cdot 10{\text{H}}_2\text{O}$ is the chemical formula of washing soda. It is a water soluble sodium salt of carbonic acid. It is mainly used for washing clothes.