Question

Match the following:

• A. A-III B-I C-V D-II
• B. A-III B-IV C-I D-II
• C. A-III B-V C-I D-II
• D. A-IV B-V C-II D-I

Hint:

When matching ores to their compositions, always focus on the mineral's key components, such as sulfides, carbonates, and oxides, to determine the correct pairing.

Answer 1

The Correct Option is C

Step 1:
- Siderite is a mineral that primarily contains iron carbonate (\( FeCO_3 \)). Thus, it corresponds to composition III.
Step 2:
- Malachite is a copper carbonate mineral (\( CuCO_3 . Cu(OH)_2 \)). Hence, it matches with V.
Step 3:
- Sphalerite is a zinc sulfide mineral (\( ZnS \)). Therefore, it corresponds to I.
Step 4:
- Zincite is an ore of zinc and contains zinc oxide (\( ZnO \)). Therefore, it matches with II. Thus, the correct matching is: \[ A-III, B-V, C-I, D-II \]