Science · General Science
एक नाभिकीय रिएक्टर में, भारी जल (D2O) का उपयोग किस रूप में किया जाता है?
- 1इनमें से कोई नहीं
- 2शीतलक
- 3ईंधन
- 4मंदक✓
सही उत्तर देखें
मंदक
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