PHA 317 - Exam 2 - Extractions Questions with Correct Answers Latest Update 2025/2026
Essential Oils aka - Answers volatile oils, ethereal oils, aetherolea
an oil is essential is that sense - Answers that it carries a distintive scent, or essense, of the
plant
lavender - Answers flowers
orange - Answers rind
frankincense - Answers resin of its tree
cinnamon - Answers bark
pine - Answers needles
rose oil is roughly _times more expense ive lavender oil - Answers 24
contrituve to the overall quality of the essential oil - Answers soil quality, climatic and
geographic conditions
jasmine flowers must be - Answers picked by hand at dawn on the very first day they open
sandalwood tree must be - Answers 30 years old and 30 feet high before it is ready to produce
the best quality oil
what is required to extract a plant - Answers organic solvent, plant part and bases to extract
essential oil from the solvent
steam distillation is the most common - Answers most common method of extracting essential
oils which is done in a still
how does steam distillation work - Answers Pressurized steam is generated and circulated
though the plant material. The heat from the steam causes the plant intercelluar pockets to
open and release the essential oil. The heat must not be too night to destory the plant of burn
the oil. After oil is released it evaporates with the water, together they travel though the rube into
a condensation chamber. As the steam cools it returns to being a liquid. You can seperate oil
from water.
floral water may be preferable to essential oil, such as - Answers when treating a sensitive
individual or child, or when a diluted treatment is required
extraction of citral from lemon grass oil - Answers 3mL of lemon grass oil + 75mL of water-
place in a flask with a boiling chip. The mixture was heated to boiling and distillate was
collected into a graduated cylinder.
citrat was seperated using a - Answers separating funnel and further purifed by extracting with
Essential Oils aka - Answers volatile oils, ethereal oils, aetherolea
an oil is essential is that sense - Answers that it carries a distintive scent, or essense, of the
plant
lavender - Answers flowers
orange - Answers rind
frankincense - Answers resin of its tree
cinnamon - Answers bark
pine - Answers needles
rose oil is roughly _times more expense ive lavender oil - Answers 24
contrituve to the overall quality of the essential oil - Answers soil quality, climatic and
geographic conditions
jasmine flowers must be - Answers picked by hand at dawn on the very first day they open
sandalwood tree must be - Answers 30 years old and 30 feet high before it is ready to produce
the best quality oil
what is required to extract a plant - Answers organic solvent, plant part and bases to extract
essential oil from the solvent
steam distillation is the most common - Answers most common method of extracting essential
oils which is done in a still
how does steam distillation work - Answers Pressurized steam is generated and circulated
though the plant material. The heat from the steam causes the plant intercelluar pockets to
open and release the essential oil. The heat must not be too night to destory the plant of burn
the oil. After oil is released it evaporates with the water, together they travel though the rube into
a condensation chamber. As the steam cools it returns to being a liquid. You can seperate oil
from water.
floral water may be preferable to essential oil, such as - Answers when treating a sensitive
individual or child, or when a diluted treatment is required
extraction of citral from lemon grass oil - Answers 3mL of lemon grass oil + 75mL of water-
place in a flask with a boiling chip. The mixture was heated to boiling and distillate was
collected into a graduated cylinder.
citrat was seperated using a - Answers separating funnel and further purifed by extracting with
