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5235. Washing soda is chemically represented by

September 7, 2025 by Admin

Na₂CO₃

Na₂CO₃.H₂O

Na₂CO₃.10H₂O

NaHCO₃

✅ The correct answer is option C.

Categories Chemical Engineering, Chemical Process MCQs, Engineering Tags Chemical Engineering MCQs, Chemical Process MCQs, Engineering MCQs

5233. 99.5% purity oxygen is used in

5237. Flexible foam (for mattresses) is usually made of

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