name some substances that can be used as filters
Answers
Answer:
filter paper, rocks, sands and cotton piece of cloth
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WHAT IS FILTRATION : Filtration is technically defined as the process of separating suspended solid matter from a liquid, by causing the latter to pass through the pores of a membrane, called a filter.
MOST COMMON EXAMPLE OF FILTRATION : The most common example is making tea. While preparing tea, a filter or a sieve is used to separate tea leaves from the water. Through the sieve pores, only water will pass. The liquid which has obtained after filtration is called the filtrate; in this case, water is the filtrate. The filter can be a paper, cloth, cotton-wool, asbestos, slag- or glass-wool, unglazed earthenware, sand, or any other porous material. Filtration is used in water treatment and sewage treatment.
So, We conclude that a paper, cloth, pure-cotton wool, pure asbestos, etc. can be used as filter during the process of filtration.
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