Practice Enrichment Of Ores (3.4.1) - Metals and Non-metals

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6 sample questions

Question 1.
Define ores.
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Think of metals and their sources.
Question 2.
What is gangue?
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Remember impurities that lower metal quality.
3Question 3.
What is gangue?
- Useful minerals
- Impurities
- Methane gas
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It’s the opposite of the useful part in ores.
4Question 4.
Which method uses differences in densities for separation?
- Flotation
- Magnetic separation
- Gravity separation
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Think about how heavy and light objects behave in water.
Question 5.
You have a mixed bag containing different ores and gangue. Explain how you would approach the separation process to extract pure metal.
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Consider the properties of each component in your mixed bag.
Question 6.
If primer residues are found on the surface of the metal extracted from ore, what could have gone wrong in the enrichment process?
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Think about the importance of gangue removal in purity.

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