A compound has
Only one kind of atom
Only one kind of element
A mixture of elements and molecules
Only one kind of molecules
Name the separation technique which is shown in the diagram.
Evaporation
Distillation
Filtration
Decanting
Which are the different separation methods used for the preparation of sugar from sugar cane?
Filtration, evaporation and sedimentation
Filtration, evaporation and crystallisation
Filtration, decantation and crystallisation
Evaporation, crystallisation and condensation
Which of the following mixtures could not be separated into its components by decanting?
Beans in hot water
Sand in water
Coffee in hot water
None of the above
Pick out the odd one. Filter paper, sieve, funnel, glass rod
Filter paper
Funnel
Sieve
Glass rod
Suitable method to separate lighter impurities from a mixture.
Winnowing
Handpicking
Magnetic separation
Impurities like bran, worms, tiny insects from flour can be separated by
winnowing
handpicking
sieving
filtration
I put dirty water into a funnel with a paper lining. Clean water comes out of the funnel into my beaker and solid dirt gets behind on the paper. This is an example of
Decantation
Sedimentation
Separation of common salt from the sea water is by,
evaporation
magnetic separation
' Combine ' is used in which of the following.
Threshing
Sieving