Aroma 203 module 8 UPDATED ACTUAL
Exam Questions and CORRECT Answers
If you were told that an essential oil has a specific gravity lower than water, how would you
expect it to behave in water? - CORRECT ANSWER float
Which of the following is a final end product of a concrete? - CORRECT
ANSWER absolute
The ratio of the weight of a given volume of essential oil to the weight of an equal volume of
water describes which physiochemical test? - CORRECT ANSWER specific gravity
A mass spectrometer is used with a gas chromatographic analysis to measure which of the
following in essential oils? - CORRECT ANSWER presence and quantity of chemical
constituents
TRUE OR FALSE: The quality of an essential oil is affected by where and how the plant was
grown, when and how it was harvested and produced, and then how it was stored following
production. - CORRECT ANSWER True
Lavender is frequently extended with which of the following? - CORRECT
ANSWER linalyl acetate
Which of the following tests would reveal adulteration of an oil with specifically an insoluble
material? - CORRECT ANSWER solubility in alcohol
Which part of the plant is most commonly used for enfleurage? - CORRECT
ANSWER flowers
Which simple test is the most effective way to evaluate if an oil has been extended with a fixed
oil? - CORRECT ANSWER feel it
Exam Questions and CORRECT Answers
If you were told that an essential oil has a specific gravity lower than water, how would you
expect it to behave in water? - CORRECT ANSWER float
Which of the following is a final end product of a concrete? - CORRECT
ANSWER absolute
The ratio of the weight of a given volume of essential oil to the weight of an equal volume of
water describes which physiochemical test? - CORRECT ANSWER specific gravity
A mass spectrometer is used with a gas chromatographic analysis to measure which of the
following in essential oils? - CORRECT ANSWER presence and quantity of chemical
constituents
TRUE OR FALSE: The quality of an essential oil is affected by where and how the plant was
grown, when and how it was harvested and produced, and then how it was stored following
production. - CORRECT ANSWER True
Lavender is frequently extended with which of the following? - CORRECT
ANSWER linalyl acetate
Which of the following tests would reveal adulteration of an oil with specifically an insoluble
material? - CORRECT ANSWER solubility in alcohol
Which part of the plant is most commonly used for enfleurage? - CORRECT
ANSWER flowers
Which simple test is the most effective way to evaluate if an oil has been extended with a fixed
oil? - CORRECT ANSWER feel it
