The smelting of iron in a blast furnace involves the following processes : — Metallurgy and Isolation of Elements Chemistry Question

💡 Solution & Explanation

Step 1: Aluminium (Al) is the most abundant metal in the Earth's crust, representing about 8.1% of its total mass. Step 2: Iron (Fe) is the second most abundant metal in the crust, making up about 5.0% of its mass. Step 3: Thus, the two most abundant metals in the earth crust are Iron and Aluminium, matching option (d).