Question

The formula of washing soda is ______.

Options

• NaHCO₃ . 6H₂O

• Na₂CO₃ . 6H₂O

• NaHCO₃ . 10H₂O

• Na₂CO₃ . 10H₂O

Answer 1

The formula of washing soda is Na₂CO₃ . 10H₂O.

Explanation:

Washing soda is sodium carbonate decahydrate (Na₂CO₃·10H₂O). It is frequently employed in cleansing and laundry processes owing to its capacity to eliminate grease and to soften water.