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प्रश्न
Why is filtration a better technique than sedimentation and decantation ?
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उत्तर
Filtration is a better technique than sedimentation and decantation because it can separate very fine insoluble particles as compared to the latter. Besides the filtrate obtained is generally pure solvent. In decantation when we pour out supernatant liquid there are chances of their getting mixed up with solute particles.
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संबंधित प्रश्न
Name the main metal present in the following:
Chalk
What do you understand by :
Metalloids
On what principle are the following methods of separation based? Give one example of a mixture for each of the methods mentioned in which they are used
Filtration
On what principle are the following methods of separation based? Give one example of a mixture for each of the methods mentioned in which they are used
Sedimentation and decantation
Fill in the blank:
________ and _______ are pure substances.
Give one word answer
The process of transferring the clean liquid after the solid settles at the bottom of the container
Fill in the blank
A pure substance has definite _______ and constant _________.
Write true or false
All pure substances have characteristic melting and boiling points.
What is centrifugation ? Also write the principle on which it works.
Name the techniques used to separate a solid from its solution.
