Sedimentation does not take place in
which one of the following-
a common salt and water
b chalk and water
c soil and water
d starch and water
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Starch and water answer
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Sedimentation does not take place in
(d) starch and water and (a) common salt & water
Justification for the answer:
- Sedimentation: A physical process in which the mixture of a solution and a solute that is not soluble in the solution gets aligned separately. In this process, the particles of the solid solute present in a solution are allowed to settle down separately at the bottom of the solution.
According to the definition of sedimentation option(d) and (a) is correct and others are incorrect as:
- Salt is soluble in water and hence sedimentation is not possible in this solution as salt does not settle down as sediment.
- Similarly, starch is soluble in clean water and hence does not settle down as sediment.
- But, chalk and soil both are solid particles that are insoluble in water and settle down as sediments. This sedimentation is possible in these two mixtures.
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