Please answer them......1. How can a saturated solution be made unsaturated? 2. Differentiate between sedimentation and decantation. 3. Which method do we use to obtain salt from seawater?
Answers
Answer:
Explanation: 1. A saturated solution can be made unsaturated either by adding more solvent to the solution or by increasing the temperature
2. Sedimentation is the process of settling down of heavy insoluble impurities. ... Decantation is followed by sedimentation. Decantation is the process by which sedimented liquid is seperated by pouring it in the other container very slowly without disturbing the setteled sediments at the bottom of the container
3.You can boil or evaporate the water and the salt will be left behind as a solid. If you want to collect the water, you can use distillation. This works because salt has a much higher boiling point than water
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Answer:
Ans1. A saturated solution can be made unsaturated by slowly heating the solution or adding some more solvent to the solution.
Ans2. Sedimentation is defined as the separation process in which solids are separated from the liquid. All the solids settle down at the bottom of a beaker and on top, a clear layer of liquid is obtained. Decantation is defined as the separation process in which two immiscible liquids are separated.
Ans3. common salt (nacl) is present in sea water naturally . the major salt present in sea water is nacl.
it can be obtained by the process of evaporation . this can be done as follows : the sea water is trapped in large shallow pools and allows to stand there. the sun's heat evaporate sea water slowly and common salt(nacl) is left behind. it contains many impurities and can be purified to obtained pure nacl.
Explanation:
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