

Plant Oils Extraction Methods and Their Structures
Interactive Video
•
Biology, Science, Chemistry
•
9th - 10th Grade
•
Practice Problem
•
Hard
Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What parts of a plant can oils be found in?
All parts including seeds, nuts, fruit, leaves, flowers, bark, and roots
Only roots and bark
Only leaves and flowers
Only seeds and nuts
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which method is known as cold pressing?
Chemical extraction
Steam distillation
Mechanical extraction
Solvent extraction
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which oils are typically extracted using mechanical extraction?
Sunflower and soy oils
Rose and lavender oils
Olive and coconut oils
Palm and canola oils
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary purpose of distillation in oil extraction?
To change the oil's color
To add flavor to the oil
To remove impurities and solvents
To increase the oil's viscosity
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which method is used to extract floral oils like rose and lavender?
Mechanical extraction
Steam distillation
Cold pressing
Chemical extraction
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the hydrophilic part of a plant oil's structure?
Fatty acid tails
Glycerol head
Carbon rings
Hydrogen bonds
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the difference between saturated and unsaturated fatty acid tails?
Saturated tails are longer than unsaturated tails
Saturated tails have single bonds, unsaturated have double bonds
Saturated tails are liquid at room temperature, unsaturated are solid
Saturated tails have double bonds, unsaturated do not
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