MCQ
निम्नलिखित में कौन सहसंयोजी यौगिक है?
- ✓$\mathrm{CH}_{4}$
- B$\mathrm{NaCl}$
- C$\mathrm{CaCl}_{2}$
- D$\mathrm{Na}_{2} \mathrm{O}_{2}$
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.