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प्रश्न
Give reasons
Sand and sawdust cannot be separated by handpicking.
उत्तर
Because in hand picking method substances should be large enough in size to be recognized and picked out by hand but sand and saw dust particles are very small in size so they can’t be picked by hand. It can be separated by filtration.
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संबंधित प्रश्न
Define Filtration
Name the process by which the components of the following mixture can be separated.
Powdered glass and sugar
Give one word name for the following
The solid which is left on the filter paper after filtration.
Explain the technique for separating – insoluble solid particles in a solid-liquid mixture.
Draw a neat labelled diagram for the separation of the following mixture.
Chalk and water using a filter paper
Give reasons for the following:
Sodium chloride cannot be separated out from its aqueous solution by filtration.
Which of the following mixtures would you be able to separate using the method of filtration?
Filtration is helpful in separating an insoluble ______ from a ______.
Complete the given analogy.
Husk-Grains : Winnowing :: Sawdust- Chalk piece:______.
Complete the given analogy.
Husk-Grains : Winnowing :: SawdustChalk piece : ______
