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Class 12 Chemistry Practice Test: General Principles and Processes of Isolation of Elements
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Class 12 Chemistry Practice Test: General Principles and Processes of Isolation of Elements
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10 Questions

1. Malachite is an ore of copper with 58 percent copper concentration.
2. Which of the following is not a suitable ore for extracting iron?
3. Which of the following is the chief ore of aluminium?
4. The composition of bronze is generally 82 percent copper and 18 percent tin.
5. What is the composition of brass?
6. Silver is extracted from which of the following ore?
7. Which metal is extracted from Cinnabar?
8. What is the composition of Kaolinite?
9. Which of the following is the finest iron ore?
10. What is the concentration of zinc in calamine?

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