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A mixture of common salt and water can be separated by-
- a)Sublimation
- b)Evaporation
- c)Separating funnel
- d)Filtration
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
A mixture of common salt and water can be separated by-a)Sublimationb)...
Separation by Evaporation : The changing of liquid into vapours is called evaporation. Evaporation is used to separate a solid substance that has dissolved in water (or any other liquid). The dissolved substance is left as a solid residue when all the water (or liquid) has evaporated. The use of process of evaporation for separating a mixture is based on the fact that liquids vapourise easily whereas solids do not vapourise easily. Though evaporation of a liquid can take place even at room temperature but it is very slow at room temperature. Evaporation can be made quicker by heating the solution.
If we have a mixture of common salt and water, then we cannot separate common salt from water by filtration or centrifugation. This is because common salt is completely dissolved in water and not insoluble in it. We can recover common salt from salt-water mixture (or salt solution) by the process of evaporation.
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A mixture of common salt and water can be separated by-a)Sublimationb)...
Evaporation: A solid substance dissolved in a solvent can be separated by the process of evaporation. The dissolved substance is left as a solid residue after the solvent has evaporated. The solvent itself cannot be recovered by this method. Common salt is obtained from sea water by evaporation. Sea water. Trapped in shallow lakes called lagoons, is subjected to the heat of the sun. Water evaporation leaving behind salt as a solid. If any impurities are present in the dissolved solid, they would still be present after it’s recovered after its recovery by evaporation.
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A mixture of common salt and water can be separated by-a)Sublimationb)Evaporationc)Separating funneld)FiltrationCorrect answer is option 'B'. Can you explain this answer?
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A mixture of common salt and water can be separated by-a)Sublimationb)Evaporationc)Separating funneld)FiltrationCorrect answer is option 'B'. Can you explain this answer? for Class 9 2024 is part of Class 9 preparation. The Question and answers have been prepared according to the Class 9 exam syllabus. Information about A mixture of common salt and water can be separated by-a)Sublimationb)Evaporationc)Separating funneld)FiltrationCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for Class 9 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A mixture of common salt and water can be separated by-a)Sublimationb)Evaporationc)Separating funneld)FiltrationCorrect answer is option 'B'. Can you explain this answer?.
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