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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 one gives secondary alcohol when treated with Grignard reagent
- When river water meets sea water delta formation takes place. This is due to
- After tow hours, the ratioactive substance becomes 1/16th of original amount
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Topics: Basic Principles of Organic Chemistry
(124)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Which one gives secondary alcohol when treated with Grignard reagent
- When river water meets sea water delta formation takes place. This is due to
- After tow hours, the ratioactive substance becomes 1/16th of original amount
- Hofmann bromamide reaction is used to prepare
- Which of the following will not displace hydrogen
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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