Advertisements
Advertisements
प्रश्न
Name the process which is used in milk dairies to separate cream from milk.
उत्तर
Centrifugation is used in milk dairies to separate cream from milk.
APPEARS IN
संबंधित प्रश्न
Out of solids, liquids and gases, which one has :
- maximum movement of particles ?
- maximum interparticle attractions ?
- minimum spaces between particles ?
What is the other name for impure substances ? Give two examples of impure substances.
The property/properties which enable copper metal to be used for making electric wires is/are :
How much water should be mixed with 12 mL of alcohol so as to obtain 12 % alcohol solution ?
What do you understand by the statement " the solubility of copper sulphate in water at 20°C is 20.7 g" ?
How would you prepare a saturated solution of sodium chloride in water at 25°C ? What will happen if this solution is cooled to 10°C ?
What is the general name of the process by which tea-leaves are separated from prepared tea ?
Fill in the following blanks with suitable words :
The gases of air can be separated by fractional distillation of liquid air because they have different..............
How would you separate iodine from a mixture of iodine and common salt ?
Describe the method of separating a mixture containing common salt, sand and ammonium chloride.
How will you separate water from mustard oil ?
Draw a labelled diagram of the fractional distillation apparatus used for separating a mixture of alcohol and water.
Complete the given analogy.
Murukku from hot oil: ______:: Coffee powder residue from decoction: ______
Justify your answer.
Figure 1 | Figure 2 | Figure 3 |
![]() |
![]() |
![]() |
The arrangement of particles in three different phases of matter is shown above.
- Which state is represented by Fig. 1?
- In which state will the inter-particle attraction be maximum?
- Which one of them cannot be contained in an open vessel?
- Which one can take the shape of its container?
Why wires cannot be drawn from materials such as stone or wood?
The particles in the matter are extremely small and can be seen even with a powerful microscope.
Atoms are tiny particles that repel each other when they are squeezed very close.
Examples of foam are ______.
Define the term matter.