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Questions and Answers
Which metal was rare and precious in the 19th century?
Which metal was rare and precious in the 19th century?
- Aluminum (correct)
- Copper
- Gold
- Silver
Why is aluminum now commonly used?
Why is aluminum now commonly used?
- Due to its high melting point
- Due to its low cost
- Due to collaboration between chemistry and engineering (correct)
- Due to its rarity
What is bauxite?
What is bauxite?
- An ore (correct)
- A precious metal
- A chemical compound
- A rare metal
What is the scientific method used by chemists to solve problems?
What is the scientific method used by chemists to solve problems?
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What are the two types of changes in chemistry?
What are the two types of changes in chemistry?
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