A) Steam distillation B) Enfleurage C) Solvent extraction D) Maceration
A) Cooling the vapor and converting it back to liquid B) Filtering the essential oil C) Heating the plant material D) Separating the water from the oil
A) Hydrosol B) Resinoid C) Absolute D) Concrete
A) Only the flowers B) Varies depending on the plant species C) Only the roots D) Only the leaves
A) Pressed into cakes B) Whole, uncut C) Chopped or ground to increase surface area D) Powdered very finely
A) To create different scents B) To sterilize the plant material C) To prevent damage to the essential oil molecules D) To increase the oil yield
A) Distilled water B) Tap water C) Well water D) Salt water
A) Fractionation B) Separation C) Condensation D) Emulsification
A) Copper B) Glass C) Stainless steel D) Plastic
A) More efficient cooling of the vapor B) Filtering impurities from the oil C) Heating the water for the distillation D) Adding minerals to the hydrosol
A) Adding hydrosols to the plant material B) Submerging plant material in water and boiling it C) Using only steam for distillation D) Cooling the plant material with water
A) 5-10 years B) 1-2 months C) Indefinitely D) 1-3 years
A) Dark glass bottles B) Clear plastic bottles C) Cardboard boxes D) Metal containers
A) To make the oil look more appealing B) To increase the oil's potency C) To prevent the oil from evaporating D) To protect the oil from light degradation
A) All of the above B) Plant quality C) Distillation technique D) Storage conditions
A) It guarantees the oil's effectiveness B) It is a scientifically verified grading system C) It means the oil is certified organic D) It has no official or regulated meaning
A) To remove any remaining water from the oil B) To add a pleasant scent to the oil C) To dilute the oil D) To preserve the oil
A) Wearing goggles B) Proper ventilation C) Wearing gloves D) Using a fire extinguisher
A) Lettuce B) Lavender C) Apple D) Tomato
A) Adding preservatives to the essential oil B) Freezing the essential oil to increase its potency C) Blending different essential oils together D) Re-distilling the hydrosol with the original plant material
A) It makes the distillation process faster B) It increases the amount of oil extracted C) It prevents the plant material from burning D) Steam cannot penetrate evenly, reducing oil yield
A) 10:1 B) 1:1 C) The plant material is fully submerged in water D) 1:10
A) Further purification of the essential oil through repeated distillation B) Filtering the plant material before distillation C) Adding a colorant to the oil D) Adding a synthetic fragrance to the oil
A) To increase the boiling point of the water B) To disinfect the plant material C) To preserve the hydrosol D) To make the oil smell better
A) Continuous still B) Molecular still C) Industrial column still D) Stovetop still
A) To increase the lifespan of the equipment B) To prevent contamination of future distillations C) To sterilize the equipment D) To make the equipment look more appealing
A) Harvest time can significantly affect the yield and quality of the oil. B) Harvest time only affects the scent of the oil. C) Harvest time only affects the color of the oil. D) Harvest time has no impact on essential oil.
A) Measuring the plant material density. B) Measuring the pH of the hydrosol. C) Measuring the boiling point of the water. D) Measuring the refractive index of the oil.
A) Filtering impurities from the hydrosol. B) Heating the plant material. C) Adding nutrients to the essential oil. D) Separating the essential oil from the hydrosol.
A) Toxic if ingested. B) Easily evaporates at room temperature. C) Solid at room temperature. D) Highly flammable. |