Describe the sedimentation and decantation processes with examples. When is filtration
necessary?
Answers
Answer: for example, if you have a mixture of sand and water and you want to separete the mixture . In that case sedementation and decantation is used keep the mixture for a while undisturbed this process is known as sedimentation, after a while pour the mixture carefully into another container this process is known as decantation.
Filtration is necessary to separate impurities from a substance to make it pure.
Answer:
It is defined as the separation process in which two immiscible liquids are separated. This is done by pouring out the clear upper layer of liquid. Separation of a mixture of oil from water is an example of decantation. This process can also be used to separate two liquids that do not mix e.g., oil and water.
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