HomeEngineeringWhich of the following metals occurs in nature in their free metallic state? 454. Which of the following metals occurs in nature in their free metallic state?By Admin / September 6, 2025 A. Au & Ag B. Pb & Zn C. Cu & Ni D. None of these ✅ The correct answer is option D.
1. A fire tube boiler is limited to a maximum steam pressure of about __________ kg/cm². Leave a Comment / Basic Chemical Engineering MCQs, Chemical Engineering, Engineering / By Admin
2. Transformer cores are normally made from Leave a Comment / Basic Chemical Engineering MCQs, Chemical Engineering, Engineering / By Admin