कौन सा रेडियोधर्मी पदार्थ – McqOptions

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1.	कौन सा रेडियोधर्मी पदार्थ काफी हद तक हड्डी के कैंसर से जुड़ा है
A.	Radium-226
B.	Thorium-232
C.	Strontium-90
D.	आयोडीन
Answer» B. Thorium-232

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