निम्नलिखित में से किस धातु – McqOptions

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1.	निम्नलिखित में से किस धातु को उत्प्रेरक संपरिवर्तन में उत्प्रेरक के रूप में प्रयोग करते है -
A.	पैलेडियम
B.	रेडियम
C.	कापर
D.	आइरन
Answer» B. रेडियम

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