Match the items of column I and column II
No
Column I
Column II
(i)
Diaylsis
(a)
Cleansing action of soap
(ii)
Peptisation
(b)
Coagulation
(iii)
Emulsification
(c)
Collodial sol formation
(iv)
Electrophoresis
(d)
Purification
Match the items of column I and column II
| No | Column I | Column II | |
| (i) | Diaylsis | (a) | Cleansing action of soap |
| (ii) | Peptisation | (b) | Coagulation |
| (iii) | Emulsification | (c) | Collodial sol formation |
| (iv) | Electrophoresis | (d) | Purification |
(i)→(d)
Dialysis is the separation of suspended colloidal particles from dissolved ions or molecules of small dimensions (crystalloids) by means of their unequal rates of diffusion when they pass through a semipermeable membrane. So, this process is used in the purification of colloids.
(ii)→(c)
Peptisation is defined as a process of converting a precipitate into colloidal sol by shaking it with a dispersion medium in the presence of a small amount of electrolyte.
(iii)→(a)
An emulsion is a special type of mixture made by combining two liquids that normally don't mix (immiscible). It is a colloid of two or more immiscible liquids where one liquid contains a dispersion of the other liquids. This process of turning a liquid mixture into an emulsion is called emulsification. The process of cleaning and washing clothes is done by emulsification by removing oily or greasy dirt.
iv)→(b)
Electrophoresis is a separation technique that is based on the mobility of ions in an electric field. Positively charged ions migrate towards a negative electrode and negatively charged ions migrate toward a positive electrode.
So, it is basically the movement of charged colloidal particles under the influence of applied electric potential towards oppositely charged electrodes. They get discharged and precipitated. This process of setting colloidal particles is called coagulation.
Dialysis is the separation of suspended colloidal particles from dissolved ions or molecules of small dimensions (crystalloids) by means of their unequal rates of diffusion when they pass through a semipermeable membrane. So, this process is used in the purification of colloids.
(ii)→(c)
Peptisation is defined as a process of converting a precipitate into colloidal sol by shaking it with a dispersion medium in the presence of a small amount of electrolyte.
(iii)→(a)
An emulsion is a special type of mixture made by combining two liquids that normally don't mix (immiscible). It is a colloid of two or more immiscible liquids where one liquid contains a dispersion of the other liquids. This process of turning a liquid mixture into an emulsion is called emulsification. The process of cleaning and washing clothes is done by emulsification by removing oily or greasy dirt.
iv)→(b)
Electrophoresis is a separation technique that is based on the mobility of ions in an electric field. Positively charged ions migrate towards a negative electrode and negatively charged ions migrate toward a positive electrode.
So, it is basically the movement of charged colloidal particles under the influence of applied electric potential towards oppositely charged electrodes. They get discharged and precipitated. This process of setting colloidal particles is called coagulation.
