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Questions and Answers
Which mineral is represented by the color black in the history of RED?
Which mineral is represented by the color black in the history of RED?
- Natural manganese ore (correct)
- Natural iron oxides
- Europium
- Powdered HgS
What is the primary use of red phosphor in televisions?
What is the primary use of red phosphor in televisions?
- Irreplaceable elements
- Increasing demands on raw materials
- Imparting the red color of the picture tubes (correct)
- Substituting other elements
Which mine in Spain is known for producing Vermilion Red?
Which mine in Spain is known for producing Vermilion Red?
- Almaden mine (correct)
- Minamata Convention
- Mongolia
- Bayan Obo
When was the Minamata Convention on restricted use of mercury held?
When was the Minamata Convention on restricted use of mercury held?
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What is a key consideration in mining and metals in a sustainable world?
What is a key consideration in mining and metals in a sustainable world?
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