Which one among the following pairs of compound and chemical formula is <strong>NOT</strong> correctly matched ?
- A. Bleaching powder : CaOCl_2
- B. Soda ash : Na_2CO_3
- C. Baking powder : NaHCl_2 ✓
- D. Plaster of Paris : 2CaSO_4.H_2O
Correct Answer: C. Baking powder : NaHCl_2
Explanation
Baking powder contains sodium bicarbonate, which has the chemical formula NaHCO_3, not NaHCl_2.
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