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ENTRANCE TEST – 2014 :: Discussion
| 25. | A naturally occurring radioactive element decays two alpha particles. Which one of the following represents status of daughter element with respect to mass number ‘A’ and charge number ‘Z’? | |
| A. | ‘Z’ decreases by 4 and ‘A’ decreases by 2 | |
| B. | ‘Z’ decreases by 2 and ‘A’ decreases by 4 | |
| C. | ‘Z’ decreases by 4 and ‘A’ decreases by 8 | |
| D. | ‘Z’ decreases by 8 and ‘A’ decreases by 4 | |
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