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प्रश्न
Why do we separate mixtures?
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उत्तर
A mixture is an impure substance and contains more than one kind of particles. So, we have to separate mixtures.
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संबंधित प्रश्न
Differentiate between:
pure and impure substances
Write the Chemical Name of the Following and Also Give Their Molecular Formulae:
Baking Soda
Choose the most appropriate answer
A pair of metalloids are
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
Suggest a suitable technique to separate the constituents of the following mixtures. Also give the reason for selecting the particular method.
Calcium carbonate and sodium chloride
State any one method – to separate the following mixtures – Two solid mixtures one of which – dissolves in a – particular solvent and other does not
State any one method – to separate the following mixtures – A mixture of different solid constituents – in a liquid constituent.
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?
State whether the following statement is true or false.
A mixture of oil and water can be separated by filtration.
Match the mixtures in column I with their method of separation in column II.
| COLUMN I | COLUMN II | ||
| (a) | Oil mixed in water | (i) | Sieving |
| (b) | Iron powder mixed with flour | (ii) | Hand picking |
| (c) | Salt mixed with water | (iii) | Decantation |
| (d) | Lady’s finger mixed with french beans | (iv) | Magnet |
| (e) | Rice flour mixed with kidney beans | (v) | Evaporation |
