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प्रश्न
Suggest a suitable technique to separate the constituents of the following mixtures. Also give the reason for selecting the particular method.
Salt from sea water
उत्तर
The technique used to separate the salt from seawater is Evaporation.
Reason – Because this method is used to separate the components of the homogeneous solid-liquid mixture. In this method, sea water is collected in a shallow bed and allowed to evaporate in the sun. When all the water is evaporated, salt is left behind. By this method, we only get solid and liquid is evaporated in its vapour form.
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संबंधित प्रश्न
Fill in the blank
Mixtures can be ...................... or .....................
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
Fill in the blanks.
Immiscible liquids are separated by using a ________.
State any one method – to separate the following mixtures – Two solid mixtures one of which – directly changes into vapour on heating.
State any one method – to separate the following mixtures – Two solid mixtures one of which – dissolves in a – particular solvent and other does not
State any one method – to separate the following mixtures – A liquid-liquid mixture containing – two immiscible'' liquids having different densities
State any one method – to separate the following mixtures – A gas-gas mixture containing – two gases with different densities.
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.
Is it possible to separate sugar mixed with wheat flour? If yes, how will you do it?
How will you separate sand and water from their mixture?
