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प्रश्न
Explain concept with example/explain with the help of a balanced equation.
Gangue
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उत्तर
- The unwanted impurities of sand, soil, rocky substances, etc., present in the ore are called gangue.
- Ores are taken out from the mines and the gangue is usually separated from the ore at the site itself by various methods.
- The process of separating gangue from the ores is called the concentration of ores.
- For example, bauxite ore contains impurities of silica (SiO2), ferric oxide (Fe2O3) and titanium oxide (TiO2). These impurities are called gangue.
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