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- 1. Multiple Choice
Matter is anything that occupies space and has ____.
Mass
Color
Shape
Size
- 2. Multiple Choice
The following are properties of mixtures, except:
They are easy to separate.
Their components vary in proportion.
They are chemically combined.
Their components retain their original properties.
- 3. Multiple Choice
Which mixture is not homogeneous?
Salt water
Pizza
Alloy
Mouthwash
- 4. Multiple Choice
Water is a/n ____.
Element
Compound
Heterogeneous mixture
Homogeneous mixture
- 5. Multiple Choice
Which process is common in most of the separation techniques?
Crystallization
Distillation
Filtration
Evaporation
- 6. Multiple Choice
What technique is shown in the picture?
Evaporation
Simple distillation
Fractional distillation
Steam distillation
- 7. Multiple Choice
To separate different components that travel at different rates in a solvent, we use ___.
Simple distillation
Crystallization
Chromatography
Solvent extraction
- 8. Fill in the Blank
The liquid formed and collected after distillation is called ___.
- 9. Multiple Choice
If two liquids are immiscible, it means that they ___.
Mix together
Do not mix together
Form a homogeneous mixture
Are inseparable
- 10. Multiple Choice
Which three techniques are mainly used in the food industry?
Steam distillation
Chromatography
Solvent extraction
Fractional distillation
- 11. Fill in the Blank
Simple distillation is used to separate liquids with different ___.
- 12. Multiple Choice
Which technique is used in making crude oil?
Solvent extraction
Simple disitllation
Fractional distillation
Steam distillation
- 13. Fill in the Blank
Looking at the chromatography paper, calculate the Rf value of the blue pigment.
- 14. Fill in the Blank
TRUE or FALSE
In chromatography, it is okay that the solute can travel ahead of the solvent.
- 15. Fill in the Blank
What is the other name of solvent extraction?
- 16. Multiple Choice
What is a condenser used for?
Making the solid component liquid
Changing liquid to solid
Converting liquid to gas
Turning gas into liquid
- 17. Multiple Choice
Essential oils are made using which separation technique?
Simple distillation
Fractional distillation
Steam distillation
Solvent extraction
- 18. Fill in the Blank
What is the Rf value of the red pigment?
- 19. Fill in the Blank
What technique is used in purifying water?
- 20. Multiple Choice
Which technique is used in wastewater treatment?
Simple distillation
Solvent extraction
Fractional distillation
Steam distillation
- 21. Open Ended
ESSAY QUESTION 1:
Are the different methods of separating mixtures important? Why or why not? Give 2 examples. (5 points)
- 22. Open Ended
ESSAY QUESTION 2:
Compare simple, fractional and steam distillation. (5 points)
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