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Chemistry · Some Basic Concepts of Chemistry

हिन्दी

Which among the following can be separated into its constituent parts only by chemical methods, but not by physical separation methods?

  1. Air
  2. Pure glucose (\( \text{C}_6\text{H}_{12}\text{O}_6 \))
  3. Aqueous sodium chloride solution
  4. Brass alloy

Correct answer · Option 2

Pure glucose (\( \text{C}_6\text{H}_{12}\text{O}_6 \))

Explanation

Pure substances like compounds (glucose) have constituents present in fixed ratios that can only be separated by chemical methods.
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