Advertisements
Advertisements
Question
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
Advertisements
Solution
Sedimentation and decantation : The settling down of suspended, insoluble, heavy, solid particles in a solid- liquid mixture when left undistrubed is called sedimentation.
The solid which settles at the bottom is called sediment while the clear liquid above it is called supernatant liquid.
The process of pouring out the clear liquid, without disturbing the sediment, is called decantation.
Example : A mixture of sand and water.
APPEARS IN
RELATED QUESTIONS
Name the main metal present in the following:
Chalk
Name the main metal present in the following:
Chlorophyll
Name the main metal present in the following:
Chocolate wrappers
State four difference between compounds and mixtures.
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 _________.
Differentiate between the following.
solution and suspension
How can you separate iron metal from non-magnetic impurities ?
What is centrifugation ? Also write the principle on which it works.
Write the differences between mixture and compounds.
