📊 Chemistry
Q. बेकिंग सोडा (Baking Soda) का रासायनिक सूत्र है ?
  • (A) NaHCO₃
  • (B) Na₂CO₃ -10H₂O
  • (C) Na₂CO₃ -H₂O
  • (D) Na₂CO₃
✅ Correct Answer: (A) NaHCO₃

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