यूरेनियम के रेडियोधर्मी व� – McqOptions

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1.	यूरेनियम के रेडियोधर्मी विघटन का अंतिम उत्पाद है -
A.	सीसा
B.	रेडियम
C.	थोरियम
D.	प्लूटोनियम
Answer» B. रेडियम

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