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COPPER MCQs

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1. Copper is mostly used in:





2. Gold, silver, copper and carbon are example of:





3. Brass is an alloy made up of copper and:





4. Copper and aluminum have effect on magnet of:





5. Due to its high heat exchange rate, copper is used in:





6. Symbol of copper is:





7. Color of copper is:





8. Melting point of copper is:





9. Formula of cuprite is:





10. Formula of malachite is:





11. In smelting process the percentage of copper is:





12. If an alloy having less than 4% copper is called:





13. In matte the percentage of copper is:





14. For the concentration of copper ore the process used is:





15. In blast furnace roasted ore is heated by:





16. Matte is a mixture of:





17. Furnace used for copper extraction is:





18. Blister copper’s purity is:





19. Most widely used process for making pure metals from impure metals is:





20. Alloy of copper is:





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