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प्रश्न
Which method can be used to separate a mixture of naphthalene and common salt ?
उत्तर
Sublimation can be used to separate the mixture of naphthalene and common salt.
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संबंधित प्रश्न
What is the major difference between a solution and an ordinary mixture ?
Classify the following materials as homogeneous mixtures and heterogeneous mixtures :
Soda-water, Wood, Air, Soil, Vinegar, Alcohol and water mixture, Petrol and water mixture, Chalk and water mixture, Sugar and water mixture, Copper sulphate solution.
Give reason:
Why do sugar and water retain their individual properties in a sugar solution?
Give one example of the following type of mixture.
Solid-liquid homogeneous mixture
Explain the term mixtures.
Give a reason why sublimable and non-sublimable substances can be separated easily, but two sublimable substance cannot.
Match the statements in List I with the correct answer in List II.
| List I | List II |
| 1. Purification of water by adding alum | A: Sublimation |
| 2. Seawater leaving behind common salt | B: Sieving |
| 3. Separation of camphor and potassium chloride | C: Filtration |
| 4. Separation of charcoal from a charcoal-water mixture | D: Sedimentation |
| 5. Separation of bran and wheat flour | E: Evaporation |
Write answer to the following question in your own words.
How are the components of mixtures separated by simple methods?
Suggest separation technique(s) one would need to employ to separate the following mixture.
Mercury and water
A mixture of chloroform and water are taken in a separating funnel is mixed and left undisturbed for some time. The upper layer in the separating funnel will be of ______ and the lower layer will be that of ______.
