Which property can be used to distinguish colloidal solutions and true solutions?

Define colloidal solution?

Fog is a colloidal solution of

All colloidal solutions show :

Which is not a colloidal solution ?

Which reaction gives colloidal solution

Smoke is a colloidal solution of

Tyndall effect in colloidal solution is due to

Tyndall effect in colloidal solution is due to

Give the difference between ' colloidal solutions ' and 'true solutions' .

Which of the following reagents can be used to distinguish between a sulphite and a sulphate in solution?