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AIIMS 201826 May
Exam
AIIMS
Year
2018
Date
26 May
Subject
Chemistry
Chapter
General Principles and Processes of Isolation of Metals

AIIMS 2018 · 26 May · Chemistry · General Principles and Processes of Isolation of Metals

Assertion : Zone refining is based on the solubility of impurities...

Assertion : Zone refining is based on the solubility of impurities in the molten state than in the solid state of the metal. Reason : Pure metal oxide is obtained in zone refining.

Options

  1. AIf both assertion and reason are true and reason is the correct explanation of assertion.
  2. BIf both assertion and reason are true but reason is not the correct explanation of assertion.
  3. CIf assertion is true but reason is false.
  4. DIf both assertion and reason are false.

Correct answer

C. If assertion is true but reason is false.

Step-by-step solution

Zone refining produces pure metal.
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