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Question 45012
NEET Chemistry · Hard

General Principles and Processes of Isolation of Elements: Zone refining MCQ

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Zone refiningHardQuestion 45012

Question

Zone refining is especially useful for metals required in very high purity such as:

  1. A
    semiconductor-grade silicon and germanium
    Correct
  2. B
    iron only
  3. C
    zinc only
  4. D
    magnesium only

Correct answer

semiconductor-grade silicon and germanium

Explanation

Impurities concentrate in the molten zone.

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