Extraction of Caffeine from Tea (Self Evaluation) : Biochemistry Virtual Lab II : Biotechnology and Biomedical Engineering : Amrita Vishwa Vidyapeetham Virtual Lab

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you are here->home->Biotechnology and Biomedical Engineering-> Biochemistry Virtual Lab II->Extraction of Caffeine from Tea

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Extraction of Caffeine from Tea

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	Theory Procedure Self Evaluation Animation Assignment Reference Feedback

	1)	Melting point of caffeine is:
		45 C 90 C 180 C 230 C

	2)	Role of sodium carbonate in extracting caffeine is:
		Diluent To react with coffee extract to form water soluble substances To dissolve methylene chloride Noneof the above

	3)	Caffeine is an :
		Alkaloid Flavanoid Terpenoid All the above

	4)	The sublimation point of caffeine is:
		178 C 160 C 100 C 200 C

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