Dialysis and Its Applications in Colloid Separation
Chemistry ⇒ Solutions and Colloids
Dialysis and Its Applications in Colloid Separation starts at 11 and continues till grade 12.
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A protein solution contains excess salt. Which method would you use to remove the salt without losing the protein?
Describe one industrial application of dialysis.
Describe the process of electrodialysis and how it differs from simple dialysis.
Describe the role of water in the process of dialysis.
Explain how the rate of dialysis can be increased.
Explain why a semipermeable membrane is essential in the process of dialysis.
A protein solution contains excess salt. Which method would you use to remove the salt without losing the protein?
In a laboratory experiment, a colloidal solution of starch containing sodium chloride is placed in a dialysis bag and immersed in distilled water. After some time, which substance(s) will be found outside the bag?
Which of the following factors does NOT affect the efficiency of dialysis? (1) Surface area of membrane (2) Concentration gradient (3) Color of the solution (4) Temperature
Which of the following is a common laboratory method for purifying colloidal solutions? (1) Filtration (2) Dialysis (3) Distillation (4) Sublimation
Which of the following is a disadvantage of dialysis? (1) It is expensive (2) It is slow (3) It requires hazardous chemicals (4) It cannot remove ions
Which of the following is a limitation of dialysis? (1) It is time-consuming (2) It cannot remove large particles (3) It requires high temperature (4) It is not selective
Dialysis is mainly used to separate ______ from colloidal solutions.
During dialysis, the movement of ions occurs from ______ concentration to ______ concentration.
Fill in the blank: Dialysis is a method of ______ separation.
Fill in the blank: In dialysis, the semipermeable membrane acts as a ______ barrier.
Is dialysis a physical or chemical method of separation?
True or False: Dialysis can be used to concentrate colloidal solutions.
True or False: Dialysis can be used to purify proteins by removing salts and other small molecules.
True or False: Dialysis can be used to remove both cations and anions from a colloidal solution.
