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प्रश्न
Match the following.
| a. | Dalton | 1. | Hydrogen atom model |
| b. | Chadwick | 2. | Discovery of nucleus |
| c. | Rutherford | 3. | First atomic theory |
| d. | Neils Bohr | 4. | Plum pudding model |
| 5. | Discovery of neutrons |
जोड्या लावा/जोड्या जुळवा
उत्तर
| a. | Dalton | 3. | First atomic theory |
| b. | Chadwick | 5. | Discovery of neutrons |
| c. | Rutherford | 2. | Discovery of nucleus |
| d. | Neils Bohr | 1. | Hydrogen atom model |
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