Advertisements
Advertisements
प्रश्न
Diffentiate between absorption and adsorption.
उत्तर
Sr. No. | Absorption | Adsorption |
1. Definition | It is a process in which any substance (atoms, ions, or molecules) is taken by or absorbed by another substance, especially in the solid or liquid material. | The substances like gas, liquids or dissolved solids loosely adhere or stick to the surface of another substance which can be solid or liquid. |
2. Type of phenomenon | It is a bulk phenomenon. | It is a surface phenomenon. |
3. Type of process | Endothermic process. | Exothermic process. |
4. Rate of reaction | Uniform rate. | The reaction rate increases slowly and attains equilibrium. |
5. Concentration | Do not change its constant throughout the medium. | The concentration varies from bulk to the bottom of the absorbent. |
6. Temperature effect |
No effect of temperature. | Works at the lower temperature. |
7. Application | Cold storage, ice production, turbine inlet cooling, refrigerants, etc. | Air conditioning, water purification, synthetic resin, chillers, etc. |
APPEARS IN
संबंधित प्रश्न
What do you mean by the inter-molecular spaces? How do they vary in different states of matter?
Which of the following is a mixture ?
Salt, Air, Water, Alum, Sugar
You are given two liquids, one a solution and the other a compound. How will you distinguish the solution from the compound ?
Out of a colloid, solution and a suspension :
which one has the largest particles ?
Define the Emulsion Give one example.
A carpenter wants to separate iron nails from saw-dust. Which method of separation should he choose ?
How is water purified on a large scale at water works ? Explain with the help of a labelled diagram. Name the substance which is added to kill germs in the drinking water supply ?
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?
In Aerosol the dispersed phase is liquid and the dispersion medium is gas.
Define the term matter.