Advertisements
Advertisements
प्रश्न
State whether the following statement is true or false.
A mixture of wheat grains and wheat flour can be separated by sieving.
विकल्प
True
False
Advertisements
उत्तर
This statement is True.
Explanation:
-
Sieving is a method used to separate components of different sizes.
-
In the case of wheat grains (larger in size) and wheat flour (very fine powder):
-
When passed through a sieve, the flour passes through the tiny holes,
-
The grains stay on top of the sieve.
-
This is a common technique used in households and industries.
APPEARS IN
संबंधित प्रश्न
A _______ is formed when one liquid is dispersed as tiny droplets throughout another liquid
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 :
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 |
Name the following:
The lower boiling point component from methyl alcohol and water.
State any one method – to separate the following mixtures – A solid-liquid mixture containing an insoluble solid in the liquid component
State any one method – to separate the following mixtures – A solid-liquid mixture containing – a soluble solids 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?
How will you separate sand and water from their mixture?
Separation of sugar from tea can be done with filtration.
