What is the use of sedimentation and decantation and filtration because still after this processes germs are there in water, can we directly do distillation for insoluble impurities instead of these processes

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Solution

Sedimentation is the process of the heavier component in a mixture settling down after adding water to it. Decantation is removing the the water, along with dust. To further remove dust, use filtration. Example – Decantation helps a little in removing the tea leaves but filtration helps further. Decantation is also used to separate liquids that don’t mix with each other.

All of the above cannot be done just by distillation an also it would have been a slow process

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Similar questions

In which of the following cases can we use sedimentation and decantation as a method for separation of the components?

Q. Select a suitable word from those given and write it in the space provided:
sieving, winnowing, loading, evaporation, decantation, filtration, condensation, distillation, sedimentation, sublimation
(a) After pounding, rice is separated from its husk by ______________ .
(b) A mixture of stones is allowed to fall through wire nets in order to separate them according to different sizes. This is a process of ______________ .
(c) When muddy water is kept overnight in a bucket, the clear water can be poured off from the top, next morning. This is a process of ________________ .
(d) Chilled milk is poured through a muslin cloth to remove the layer of cream. This is a process of _____________ .
(e) Salt is obtained from sea water by _____________ .
(f) Solid iodine can be separated from sand by ____________ .
(g) _____________ is used to separate immiscible liquids.
(h) The process of settling down of heavy solid particles at the bottom of a container coantaining a mixture of a liquid and an insoluble solid is _______________ .

Answer the following: [3 MARKS]

(a) When is it useful to apply sedimentation and decantation?
(b) Give two examples where these methods are used?
(c) Explain the process.

Which of these methods will you use to obtain both the solid and the liquid from a solution?
(a) separating funnel
(b) evaporation
(c) distillation
(d) decantation and filtration

Q. Which of these methods will you use to obtain both the solid and the liquid from a solution?
(a) decantation and filtration
(b) evaporation
(c) distillation
(d) separating funnel

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