Advertisements
Advertisements
Question
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
Solution
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
RELATED QUESTIONS
Tick the most appropriate answer.
The different constituents of ink are separated by
Write true or false
The constituents of a mixture can only be separated by chemical means
Write true or false
Handpicking can be used as a separation technique if the particle size of the constituents of the mixture is the same.
Fill in the blank
Clay is separated from water by the method called ______
Suggest a suitable technique to separate the constituents of the following mixtures. Also give the reason for selecting the particular method.
Chalk powder from water
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 liquid-liquid mixture containing – two immiscible'' liquids having different densities
Explain with diagram the process used to – separate the following substance from the given mixtures - Sulphur from a mixture of – sulphur & copper.
Separation of sugar from tea can be done with filtration.
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?
