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Questions and Answers
What method is used to separate solids from liquids?
What method is used to separate solids from liquids?
- Distillation
- Filtration (correct)
- Crystallization
- Sublimation
Which technique involves changing a substance from solid to gas?
Which technique involves changing a substance from solid to gas?
- Sublimation (correct)
- Filtration
- Crystallization
- Distillation
Which method is based on the difference in boiling points?
Which method is based on the difference in boiling points?
- Crystallization
- Distillation (correct)
- Filtration
- Extraction
What is the technique called when pouring a mixture onto a membrane to separate solids from liquids?
What is the technique called when pouring a mixture onto a membrane to separate solids from liquids?
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Which type of filtration uses a pump to create a pressure difference?
Which type of filtration uses a pump to create a pressure difference?
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Study Notes
Organic Chemistry Practical
Sublimation
- Sublimation is a method of separation that involves the transition of a substance from a solid to a gas state.
Methods Based on Physical Properties
- Five methods are used to separate mixtures based on their physical properties:
Filtration
- Filtration is a technique used to separate solids from liquids.
- It involves pouring a mixture onto a membrane (filter paper) that allows the passage of liquid (the filtrate) and results in the collection of the solid.
- Two types of filtration techniques are used in chemical separations:
Filtration Techniques
- Gravity filtration: used to separate an insoluble solid from a liquid when the solid is suspended throughout the liquid.
- Suction filtration: an alternative to gravity filtration.
Note
- A solid/liquid mixture is called a suspension.
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Description
Explore the methods of separation based on physical properties in organic chemistry, including filtration, sublimation, crystallization, distillation, and extraction.
