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Glycerine is purified by
Options
(a) vacuum distillation
(b) simple distillation
(c) steam distillation
(d) sublimation
Correct Answer:
vacuum distillation
Explanation:
The compounds which decompose at a temperature below their normal boiling points cannot be purified by distillation under ordinary atmospheric pressure. For such compounds, distillation is carried out under reduced pressure and the process is known as vacuum distillation. Glycerine is one such compound which is purified by this method.
Related Questions: - Which of the following is not a transition metal
- When phenol reacts with phthalic anhydride in presence of H₂SO₄ and heated
- Which of the following statements is false
- Neutral divalent carbon species released as reaction intermediate in reaction
- Dumas method is used for the estimation of
Topics: Basic Principles of Organic Chemistry
(124)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Which of the following is not a transition metal
- When phenol reacts with phthalic anhydride in presence of H₂SO₄ and heated
- Which of the following statements is false
- Neutral divalent carbon species released as reaction intermediate in reaction
- Dumas method is used for the estimation of
Topics: Basic Principles of Organic Chemistry (124)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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