Copper Ore Identification: Malachite Analysis
The question asks to identify which of the listed minerals is a copper ore.
Mineral Ore Identification
We need to examine each option to determine its primary use or the metal it yields:
- Haematite: This is primarily an iron ore. It is the main source of iron for the world.
- Chromite: This is the main ore of chromium. It's also a source of iron.
- Malachite: This is a copper carbonate hydroxide mineral. It is considered an important copper ore, often found with azurite. Its chemical formula is approximately $\text{Cu}_2\text{CO}_3(\text{OH})_2$.
- Magnetite: This is another significant iron ore, known for its magnetic properties.
Conclusion on Copper Ore
Based on the analysis, Malachite is the only mineral listed that is a significant source of copper.
Therefore, the correct option is Malachite.
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Common salt (NaCl) is not used as a raw material for preparation of which one of the following compounds?
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