HomeEveryday Science MCQsWhich element is used as moderator in nuclear reactor? 657. Which element is used as moderator in nuclear reactor?By Admin / September 17, 2025 A. Light water B. Dense water C. Fresh water D. Heavy water ✅ The correct answer is option D.
1. Which of the following does not pollute the air? Leave a Comment / Everyday Science MCQs / By Admin
2. Which of the following planets have the longest day? Leave a Comment / Everyday Science MCQs / By Admin