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You are provide with a mixture of naphthalene and sodium chloride by your teacher suggest an activity to separate them with well-labelled diagram ?
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You are provide with a mixture of naphthalene and sodium chloride by y...
Naphthalene is insoluble in water but soluble in benzene (organic solvent). sodium chloride is soluble in water but insoluble in benzene. Naphthalene changes into vapors at room temperature whereas sodium chloride changes into vapours on heating.
Method
(a) Add water to the mixture and shake it vigorously to dissolve sodium chloride.
(b) Filter the mixture. Naphthalene is obtained as residue whereas, filtrate contains ammonium chloride. Crystallize the filtrate by heating till the saturated solution of sodium chloride is obtained.
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You are provide with a mixture of naphthalene and sodium chloride by y...
Activity to separate naphthalene and sodium chloride
- Take the mixture of naphthalene and sodium chloride in a beaker.
- Add some water to the mixture to dissolve the sodium chloride.
- Heat the mixture to dissolve naphthalene.
- Filter the mixture using a filter paper.
- Collect the filtrate in a separate beaker.
- Allow the filtrate to cool down for some time.
- As the filtrate cools down, crystals of sodium chloride start forming.
- Collect the sodium chloride crystals using a filter paper.
- The residue left on the filter paper is naphthalene, which can be collected and dried.
Diagram:
Explanation:
The activity to separate naphthalene and sodium chloride involves the use of the properties of solubility and filtration. The mixture is first dissolved in water, which dissolves the sodium chloride. The mixture is then heated to dissolve naphthalene. The mixture is then filtered to separate the naphthalene from the sodium chloride. The filtrate is then allowed to cool down, which causes the sodium chloride to crystallize. The sodium chloride crystals are then collected using a filter paper. The residue left on the filter paper is naphthalene, which can be collected and dried.
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You are provide with a mixture of naphthalene and sodium chloride by your teacher suggest an activity to separate them with well-labelled diagram ?
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You are provide with a mixture of naphthalene and sodium chloride by your teacher suggest an activity to separate them with well-labelled diagram ? 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 You are provide with a mixture of naphthalene and sodium chloride by your teacher suggest an activity to separate them with well-labelled diagram ? covers all topics & solutions for Class 9 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for You are provide with a mixture of naphthalene and sodium chloride by your teacher suggest an activity to separate them with well-labelled diagram ?.
You are provide with a mixture of naphthalene and sodium chloride by your teacher suggest an activity to separate them with well-labelled diagram ? 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 You are provide with a mixture of naphthalene and sodium chloride by your teacher suggest an activity to separate them with well-labelled diagram ? covers all topics & solutions for Class 9 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for You are provide with a mixture of naphthalene and sodium chloride by your teacher suggest an activity to separate them with well-labelled diagram ?.
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