HomeEveryday Science MCQsRuby is an oxide of__________? 798. Ruby is an oxide of__________?By Admin / September 17, 2025 A. silver B. gold C. platinum D. aluminium oxide ✅ 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