Chemistry · General Principles of Isolation
Consider the following statements: Testbook + 2 Statement-I: In the extraction of aluminium by the Hall-Heroult process, mixing pure Al2O3 with Na3AlF6 lowers its melting point and increases conductivity. Statement-II: Zirconium metal is purified by the zone refining method. Which of the following is correct?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Statement-I is incorrect, but Statement-II is correct
- 2Statement-I is correct, but Statement-II is incorrect✓
- 3Both Statement-I and Statement-II are incorrect
- 4Both Statement-I and Statement-II are correct
Correct answer
Statement-I is correct, but Statement-II is incorrect
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