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प्रश्न
Give a reason for the following statement :
Components in a mixture can be separated by physical methods only.
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उत्तर
Components of a mixture can be separated by physical methods because particles remain separate without chemical reactions between them.
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संबंधित प्रश्न
Write the Chemical Name of the Following and Also Give Their Molecular Formulae:
Baking Soda
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
Fill in the blan
Iodine, camphor, naphthalene, ammonium chloride and dry ice are some substances that ....................................
Write true or false
Milk is an emulsion.
Name the different types of chromatographic techniques.
Name the following:
The non-sublimable solid from a mixture of iodine and potassium nitrate.
Name the following:
The compound containing one atom of sulphur and two atoms of oxygen.
State any one method – to separate the following mixtures – A solid-liquid mixture containing an insoluble solid in the liquid component
Visit a nearby paddy field and rice mill and note down the different separating techniques used there. Is technology replacing some traditional practices?
Match the following
| Column A | Column B | ||
| 1. | Separation of salt from saltwater | a. | Magnetic separation |
| 2. | Separation of tea leaves from tea extract | b. | Evaporation |
| 3. | Separation of sand and iron filings | c. | Churning |
| 4. | Separation of butter from curds | d. | Filtration |
