Questions and Answers
What is the primary purpose of filtration?
To separate substances based on their different physical and chemical qualities
What is the term given to the solid material collected after filtration?
Residue
What is an example of natural filtration in the human body?
Glomerular filtration in the kidneys
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?
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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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