Question
Question: Which of the following is not an explanation for the origin of charge on the colloidal particles?...
Which of the following is not an explanation for the origin of charge on the colloidal particles?
A
Due to frictional electrifications
B
Due to dissociation of surface molecules
C
To remove impurities of calcium and magnesium
D
To protect the colloidal solutions from getting precipitated
Answer
To remove impurities of calcium and magnesium
Explanation
Solution
Due to the presence of change on colloidal particles, electrophoresis takes place.