The chemical formula for washing soda is Na₂CO₃.10H₂O, which stands for sodium carbonate decahydrate. The formula Na₂CO₃ alone represents anhydrous sodium carbonate, which is also known as soda ash.
What is the chemical formula of washing soda?
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Question context
This question is part of ⚗️ Chemical Engineering within the broader 🛠️ Engineering Essentials subject and appears in the PPSC Punjab Public Service Commission preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.