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Class 12 Chemistry Practice Test: Refining
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Class 12 Chemistry Practice Test: Refining
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10 Questions

1. Zone refining is also called fractional crystallization.
2. What is the anode made up of in electrolytic refining?
3. Why is zone refining carried out in an inert atmosphere?
4. Which of the following metals cannot be refined by distillation?
5. What is the purity range for copper obtained from electrolytic refining?
6. Refining is not an important process in metallurgy.
7. Which of the following is an electrolyte used during the electrolytic refining of copper?
8. Which of the following is not an impurity generally present in crude metals?
9. Which of the following processes is used to purify lead?
10. Which of the following is not refined by zone refining method?

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