The top note in an essential oils blend has a _____ molecular weight and a _____ evaporation rate. Choose one answer. a. low, slow b. high, slow c. high, quick d. low, quick
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- 10 grams of oil will dissolve completely in 1 Liter of water. O a. True b. FalseWhat are the 2 ways of production that will allow a product to be classified as an essential oil?: (Select all that apply) Choose at least one answer. a. hot pressed b. vacuum distilled c. steam distilled d. cold pressedFor normal, daily use of essential oils for adults, Retha Nesbit of Plant Therapy recommends a __________ dilution. Choose one answer. a. 0.5% b. 2% c. 3% d. 5%
- You are told to analyze the purity of your product with TLC. Which of the following TLC plates would indicate a pure product? Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. a A TLC plate where the product lane has one spot with an Rf value that exactly matches that of the starting material. b A TLC plate where the product lane has one spot which has a lower Rf value than the starting material. с A TLC plate where the product lane has two spots, one with a higher Rf value than the starting material and one with a lower Rf value. d A TLC plate where the product lane has one spot which has a higher Rf than the starting material.A blend of essential oils can be kept for up to how longDespite that trace elements are needed in small amounts, you can live without them Select one: a. False b. True
- Robert Tisserand states that if essential oils are properly diluted, they should be safe to use: Choose one answer. a. once/month b. once/week c. twice/week d. every dayThe quality of essential oils has been tested using different methods including: (Select all that apply) Choose at least one answer. a. Gas Chromatography (GC) b. Gas Spectrometry (GS), c. Chiral Chemical Analysis (CCA) d. Mass Spectrometry (MS)he following essential oil helps calm nervous energy and worry - it calms the mind and body: Choose one answer. a. peppermint b. sweet orange c. rosemary d. vetiver
- You would most likely find amylose in sweet tasting foods like maple syrup True FalseThermohaline circulation refers to a network of currents driven by density changes caused by temperature and salinity differences. A. TRUE B. FALSE. List whether each of the following substances was positive or negative for reducing sugar, as indicated by the Benedict's test. a. Corn syrup (1 point) b. Table sugar (1 point) c. Water (1 point) d. Unknown 1 (1 point) e. Unknown 2 (1 point) f. Unknown 3 (1 point) g. Unknown 4 (1 point) ~~3. List whether each of the following substances was positive or negative for starch, as indicated by using iodine. a. Onion juice (1 point) b. Water (1 point) c. Cornstarch (1 point) d. Unknown 1 (1 point) e. Unknown 2 (1 point) f. Unknown 3 (1 point) g. Unknown 4 (1 point) ~~4. The Sudan III test has been performed for you. Please see the image below to answer question 4a-g: Were the following substances positive or negative for lipids, as indicated by the Sudan III test? Sudan III Results a. Oil (O) (1 point) b. Butter (B) (1 point) c. Flour (F) (1 point) d. Unknown 1 (1 point) e. Unknown 2 (1 point) f. Unknown 3 (1 point) g. Unknown 4 (1 point) ~~5. List whether each of the following…