Chem 103 Lab Final Exam Questions and Correct Answers
What were the physical properties used to identify alkanes and alkenes? Answer: Boiling points and Density What color is the potassium permanganate reagent in the Baeyer's test? Answer: Purple What color is the bromine in the bromine test? Answer: Yellowish/ Orange Which hydrocarbon will have positive result for the baeyer's and/or bromine test? Answer: Alkenes What solvent was used to extract curcumin? Answer: Isopropyl alcohol What is the percent of curcumin found in turmeric? Answer: 3-5% What can curcumin be used as in the lab? Answer: pH Indicator What instruments were used in this lab? Also know the parts. Answer: Spec 2
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chem 103 lab final exam questions and correct an
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