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Questions and Answers
What is the primary purpose of filtration?
What is the primary purpose of filtration?
- To separate substances based on their different physical and chemical qualities (correct)
- To collect solid material from a mixture
- To separate liquids and gases
- To remove solid particles from a mixture
What is the term given to the solid material collected after filtration?
What is the term given to the solid material collected after filtration?
- Solid particles
- Filtrate
- Filtered material
- Residue (correct)
What is an example of natural filtration in the human body?
What is an example of natural filtration in the human body?
- Digestion in the stomach
- Circulation of blood in the heart
- Respiration in the lungs
- Glomerular filtration in the kidneys (correct)
What is the function of the porous medium in filtration?
What is the function of the porous medium in filtration?
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Which of the following is NOT a material used for filtration?
Which of the following is NOT a material used for filtration?
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Study Notes
Definition of Filtration
- Filtration is the separation of a solid from a fluid by means of a porous medium that retains the solid but allows the fluid to pass.
Types of Fluids
- Fluids include liquids and gases.
Purpose of Filtration
- Filtration is used to separate substances based on their different physical and chemical qualities.
Components of Filtration
- Solid particles are removed from a mixture containing both solids and liquids.
- The collected solid material is called the residue.
- The fluid material is called the filtrate.
Materials Used for Filtration
- Paper, sand, and cloth are used for filtration.
Natural Filtration
- Filtration occurs naturally in the body, for example in the kidneys.
- In the kidneys, blood is filtered in a process called glomerular filtration.
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