Question

Identify the correct chemical reaction involved in bleaching powder preparation

A NaCl + H₂O + CO₂ + NH₃ → NH₄Cl + NaHCO₃
B 2 NaCl (aq) + 2 H₂O (l) → 2 NaOH (aq) + Cl₂ (g) + H₂ (g)
C Ca(OH)₂ + Cl₂ → CaOCl₂ + H₂O
D NaHCO₃ + H⁺ → CO₂ + H₂O + Sodium salt of acid
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