Why is it important to separate components in a mixture?
Mass Separation: Crash Course Engineering #17

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Engineering, Chemistry, Science
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11th Grade - University
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Hard
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
To isolate useful or harmful components
To change the color of the mixture
To increase the volume of the mixture
To create new substances
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary factor that distillation relies on to separate substances?
Magnetic properties
Color differences
Boiling point differences
Density differences
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a distillation column, what happens to the more volatile substances?
They remain at the bottom
They rise as vapor
They are removed as waste
They condense into a liquid
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of reflux in the distillation process?
To change the color of the mixture
To add more substances
To increase the purity of the product
To cool the mixture
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does liquid-liquid extraction primarily use to separate substances?
Temperature differences
Magnetic fields
Electrical charges
Density and solubility differences
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In liquid-liquid extraction, what is the role of the solvent?
To dissolve the entire mixture
To change the color of the mixture
To mix with the product
To attract and carry away the contaminant
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is reverse osmosis primarily used for?
Heating substances
Filtering molecules from a solvent
Changing the color of a solution
Mixing different liquids
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