Advertisements
Advertisements
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
Advertisements
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.
APPEARS IN
संबंधित प्रश्न
Differentiate between:
pure and impure substances
How is sodium chloride different from its constituent elements ?
Fill in the blank
................. is used when the constituents of a mixture of solids have difference in their weights
Fill in the blanks.
Immiscible liquids are separated by using a ________.
Name the following:
The lower boiling point component from methyl alcohol and water.
Explain with diagram the process used to – separate the following substance from the given mixtures - Ammonium chloride from a mixture of – ammonium chloride & potassium chloride.
Explain with diagram the process used to – separate the following substance from the given mixtures - Different dyes – in their liquid constituent ink.
Select the correct answer from the choice given below to complete the sentence :
A soluble solid is separated from an insoluble solid by ____________.
Give a reason for the following statement :
Components in a mixture can be separated by physical methods only.
Malar’s mother was preparing to cook dinner. She accidentally mixed ground nuts with urad-dhal. Suggest a suitable method to separate the two substances so that Malar can have ground nuts to eat.
