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प्रश्न
Salt can be recovered from its solution by evaporation. Suggest some other technique for the same?
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उत्तर
The salt solution can be concentrated by heating to make a supersaturated solution. The crystallisation will occur when the solution is left for cooling and salt will separate out from the solution.
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संबंधित प्रश्न
Define: Evaporation
We can separate iron metal from non-magnetic impurities by the method of magnetic separation.
Name the process by which the components of the following mixture can be separated.
Salt and water
Give one word name for the following
The solid particles which separate out from the solution on slow evaporation
State the principle involved in separation of solid-liquid mixtures by evaporation
Draw a neat labelled diagram for the separation of the following mixture.
Common salt from a solution of common salt and water
State the technique involved in separating the following:
Potassium chloride from an aqueous solution of potassium chloride.
State the correct technique for the separation of the following mixture.
a liquid component from soluble impurities in the liquid component.
Give a reason for the following statement:
Evaporation of a common salt solution or seawater leaves behind common salt inside the evaporating dish after heating.
In an activity, a teacher dissolved a small amount of solid copper sulphate in a tumbler half filled with water. Which method would you use to get back solid copper sulphate from the solution?
