Advertisements
Advertisements
प्रश्न
Explain with diagram the process used to – separate the following substance from the given mixtures - Iron from a mixture of – iron & copper
Advertisements
उत्तर
By magnetic separation: By bringing a magnet near the mixture iron pieces can be separated which will cling to the magnet.

Here A is Iron and B is Copper.
APPEARS IN
संबंधित प्रश्न
Write the Chemical Name of the Following and Also Give Their Molecular Formulae:
Baking Soda
What is chromatography? For which type of mixture is it used?
Choose the most appropriate answer:
A mixture of sand and ammonium chloride can be separated by
A _______ is formed when one liquid is dispersed as tiny droplets throughout another liquid
How can you separate iron metal from non-magnetic impurities ?
Suggest a suitable technique to separate the constituents of the following mixtures. Also give the reason for selecting the particular method :
Iron from sulphur
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.
State whether the following statement is true or false.
A mixture of wheat grains and wheat flour can be separated by sieving.
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 |
