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प्रश्न
Name the following:
The heavier liquid component from mercury and water.
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उत्तर
Mercury
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संबंधित प्रश्न
What is chromatography? For which type of mixture is it used?
Tick the most appropriate answer
The methods of separating components of a given mixture are based on the
- physical properties and state of the components.
- colour of the components only.
- state of the components.
- none of these
Name the different types of chromatographic techniques.
Suggest a suitable technique to separate the constituents of the following mixtures. Also give the reason for selecting the particular method.
Sodium chloride and potassium nitrate
Match the ideal method of separation of components in a mixture in List I with the appropriate process in List II.
| List I | List II |
| 1. Sand from a mixture of sand and water | A: Separating funnel |
| 2. kerosene from a mixture of kerosene water | B: Sublimation |
| 3. Alcohol from a mixture of methyl alcohol and water | C: Filtration |
| 4. Naphthalene from a mixture of naphthalene and lead chloride | D: Distillation |
| 5. Pure water from impure water | E: Fractional distillation |
State any one method – to separate the following mixtures – A mixture of different solid constituents – in a liquid constituent.
Explain with diagram the process used to – separate the following substance from the given mixtures - Lead nitrate [soluble] from a mixture of – lead nitrate & water Le. lead nitrate solution.
Give a reason for the following statement :
Zinc is considered an element, while zinc sulphide is considered a compound.
Grain and husk can be separated with the process of decantation.
Name the two phases in the separation of the mixtures in chromatography.
