HomeEveryday Science MCQsWhich of the following is used as a lubricant? 1682. Which of the following is used as a lubricant?By Admin / September 17, 2025 A. Graphite B. Silica C. Diamond D. Iron oxide ✅ 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