Science · Chemistry
मैरी क्यूरी ने रेडियम किस अयस्क से निकाला था?
- 1पिचब्लेंड✓
- 2हेमेटाइट
- 3बॉक्साइट
- 4क्रायोलाइट
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पिचब्लेंड
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