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Questions and Answers
What are solid inorganic substances in the earth's crust with fixed chemical composition and estimable physical properties known as?
What are solid inorganic substances in the earth's crust with fixed chemical composition and estimable physical properties known as?
- Metals
- Elements
- Minerals (correct)
- Ores
Which metals are usually found in free form in the earth's crust?
Which metals are usually found in free form in the earth's crust?
- Iron and aluminum
- Lead and zinc
- Gold and platinum (correct)
- Copper and silver
From where are metals extracted?
From where are metals extracted?
- Rocks
- Minerals (correct)
- Soil
- Ores
What are minerals containing a high percentage of a particular metal and from which the metal can be easily and profitably extracted called?
What are minerals containing a high percentage of a particular metal and from which the metal can be easily and profitably extracted called?
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What is the relationship between minerals and ores?
What is the relationship between minerals and ores?
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