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प्रश्न
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.
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उत्तर
The groundnuts shall be separated by hand-picking method because they are in different sizes When compared with urad-dhal.
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संबंधित प्रश्न
How is sodium chloride different from its constituent elements ?
Write true or false
Milk is an emulsion.
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 ______
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 – Two solid mixtures one of which – directly changes into vapour on heating.
Very Short Answer Type Question:
What types of material can we separate by using handpicking?
Separation of sugar from tea can be done with filtration.
Grain and husk can be separated with the process of decantation.
What are the steps involved in the separation of sand, salt, and water?
