SolutionMedium
Question
Which of the following statement(s) is/are true for a colloidal solution of gold in water (Gold sol.) :
Options
A.The path of light beam is invisible when passed through solution.
B.The colloidal solution can be stabilised by addition of small amount of NaCl.
C.The colloidal solution can be preservated for long time if small amount of starch is added to sol.
D.The colloidal solution can be destroyed by prolonged electrophoresis of solution.
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