Advertisements
Advertisements
प्रश्न
Explain with a diagram the process used to – separate the following substance from the given mixture.
Potassium nitrate from a mixture of – potassium nitrate & potassium chlorate.
Advertisements
उत्तर
Potassium nitrate KNO3 is more-soluble than potassium chlorate KClO3.
On heating to get the saturated solution and on cooling the saturated solution less soluble (KClO3) crystallise out. More soluble KNO3 is filtered out from the hot saturated solution and is recrystallised from hot water and dried.
APPEARS IN
संबंधित प्रश्न
What is chromatography? For which type of mixture is it used?
Write true or false
Milk is an emulsion.
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 :
Iron from sulphur
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.
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.
Name the components in each of the following mixtures.
- Ice cream
- Lemonade
- Air
- Soil
A mixture of powdered salt and sugar can be separated by the process of winnowing.
Boojho’s grandmother is suffering from diabetes. Her doctor advised her to take ‘Lassi’ with less fat content. Which of the following methods would be most appropriate for Boojho to prepare it?
Name the two phases in the separation of the mixtures in chromatography.
