Question 1: Define the following in your own words: - Mineral processing. - What are different parts of the gaugue minerals. - What are the major challenges in treating modern ores. - What are the valuable and valueless components of ores. - Milling accounts from 3050% of the total power used in the concentration process, explain? - What is a mineral. - Why coal is not a mineral. - How coal is ranked. - The lowest coal grad is wood, and the highest ranked coal is anthracite, what are the intermediate ranking. - What is a grade of mineral ore and how we expressed. - What is a sedimentary rocks. - An ore is usually classified in reference to the nature of the constituent value minerals, give two examples. - What is a PGM ore. - How the base metals affecting PGM exploitation. - What is the lowest grade ore and the highest value mineral. - What is mineral beneficiation, and give two reasons for it