Advertisements
Advertisements
Question
The technique which is used to separate particles of a solid suspended in a liquid quickly is called :
Options
decantation
centrifugation
sedimentation
filtration
Advertisements
Solution
centrifugation
Centrifugation is a process, in which suspended particles are separated from the solvent. In this process, the solution is rotated at a high rate in a centrifuge thereby separating the solute particles and the solvent.
APPEARS IN
RELATED QUESTIONS
What are the two conditions for the interconversion of states of matter ?
Fill in the blank
Liquids have a definite ______
Which one is a kind of matter:
Describe in your own words, what happens to the particles when salt dissolves in water.
Explain why air is used to inflate tyres.
What is meant by saying that non-metals are brittle ?
What is meant by saying that metals are lustrous ?
One of the following substances is neither a good conductor of electricity nor an insulator. This substance is :
Out of a colloid, solution and a suspension :
which one has the largest particles ?
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 ?
The solubility of ammonium chloride in water at various temperatures is given below :
| Temperature | : | 10°C | 20°C | 40°C | 60°C | 80°C |
| Solubility | : | 24 g | 37 g | 41 g | 55 g | 66 g |
What mass of ammonium chloride would be needed to make a saturated solution of ammonium chloride in fifty grams of water at 40°C ?
Name the property of one of the constituents which can be used to separate a mixture of salt and iodine
What difference in the properties of oil and water enable their separation by a separating funnel ?
Select the correct answer from A, B, C, D & E for the statement given below:
An atom or group of atoms _________ having a resultant charge.
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?
Which of the following are homogeneous in nature?
(i) ice
(ii) wood
(iii) soil
(iv) air
Intermolecular space is maximum in ______.
Which statement is not correct for a mixture
Give an example of a molecule.
Give an example of liquid in gas.
