In which of the following pairs, both the minerals are oxides? — Metallurgy and Isolation of Elements Chemistry Question

💡 Solution & Explanation

Step 1: Identify that this question is printed identically to Question 5 in the original textbook. Step 2: The process involves leaching (solution phase) followed by metal displacement/precipitation by a more active metal. Step 3: This chemistry-based extraction process is defined as hydrometallurgy, which corresponds to option (a).