Q25 / 160 · AP EAMCET 2018 (22 Apr Shift 2) · Chemistry

The method used for producing semiconductor grade metals of high purity is

  • A
    poling
  • B
    electrolysis
  • Correct answer
    C
    zone refining
  • D
    vapour phase refining

Solution

Zone refining is used for refining of semiconductor metals ( $\mathrm{Si}, \mathrm{Ge}$, etc.) that gives highly pure semiconductors.

Hence, the correct answer is option: 'C'.

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