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Chemistry

Methods of purification

In this Class 11 Chemistry topic from Organic Chemistry – Some Basic Principles and Techniques, students learn how impure organic compounds are separated and purified using methods such as crystallisation, sublimation, distillation, differential extraction and chromatography. The topic explains the physical principles behind each technique, including differences in solubility, boiling point, volatility and adsorption, and helps students understand how to select a suitable method, interpret separation results and assess the purity of an organic substance.

Easy · Level 1 · 1 questions

TOPIC PRACTICE

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  1. Distillation uses boiling-point difference and a separating funnel uses immiscibility
  2. Both are based only on magnetism
  3. Both are only for solids
  4. Filter paper is compulsory in both

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