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47.Which of the following contains both covalent and ionic bonds ? 1)NaCl 2) NH3 3)NaOH 4)CO2 Explain the reason also. |
| Answer» 47.Which of the following contains both covalent and ionic bonds ? 1)NaCl 2) NH3 3)NaOH 4)CO2 Explain the reason also. | |