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