HomeEveryday Science MCQsBy which process copper is refined ____________? 1144. By which process copper is refined ____________?By Admin / September 17, 2025 A. Roasting B. Oxidation C. Zone Refining D. Electrolysis ✅ The correct answer is option A.
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