MCQ
निम्न में कौन रेंडॉक्स अभिक्रिया है?
- A$H _2+ Cl _2 \longrightarrow 2 HCl$
- B$CaCO _3 \longrightarrow CaO + CO _2$
- C$NaOH + HCl \longrightarrow NaCl + H _2 O$
- D$AgNO _3+ HCl \longrightarrow AgCl \downarrow+ HNO _3$

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