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