Among the following, select one substance which complete this equation: ______ + Sodium hydroxide → Sodium chloride + Water.
مندرجہ ذیل میں ، ایک مادہ منتخب کریں جو اس مساوات کو مکمل کرے: ______ + سوڈیم ہائیڈرو آکسائیڈ → سوڈیم کلورائد + پانی۔
Answer: Hydrochloric acid
Explanation
Hydrochloric acid (HCl) reacts with Sodium hydroxide (NaOH) to form Sodium chloride (NaCl) and Water (H₂O) — a typical acid-base neutralization reaction.
The balanced equation is:
NaOH + HCl → NaCl + H₂O
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