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Standard XII
Chemistry
Question

Chromatography refers to the :
  1. concentration of chromium in a substance
  2. mass of chromium
  3. testing of additives
  4. testing of alkalinity or acidity

A
testing of additives
B
testing of alkalinity or acidity
C
concentration of chromium in a substance
D
mass of chromium
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Solution
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Chromatograph technique is used to separate and identify compounds in standard-grade reference materials, test solvents, and additives.

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