Q28 of 252 Page 80

How will you distinguish a colloid from a solution?

We can distinguish between colloids and true solutions by using Tindall effect. If the solution scatters a beam of light passing through it and renders its path visible, will be a colloid.

The solution which does not scatter a beam of light passing through it and does not render its path visible, will be a true solution.


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26

How will you test whether a given solution is a colloidal solution?

 27

Explain what happens when a beam of light is passed through a colloidal solution.

 29

How will you differentiate between a suspension and a colloid?

 30

You have been given a suspension and a solution. How could you tell the difference between them by their appearance?