MCQ
निम्नांकित में कौन समीकरण संतुलित है?
- A$Mg + O _2 \longrightarrow MgO$
- ✓$Zn + H _2 SO _4 \longrightarrow ZnSO _4+ H _2$
- C$Fe + Cl _2 \longrightarrow FeCl _3$
- D$H _2+ Cl _2 \longrightarrow HCl$
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