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