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Question is

State whether the following statements are true (T) or false (F).

A.

The efficiency of protective colloid can be determined with the help of Hardy-Schulze rule.

B.

Colloidal solutions show high value of osmotic pressure.

C.

Low molecular mass impurities in a colloidal solution are removed by dialysis.

D.

The phenomenon of adsorption had been used for creating partial vacuum.

E.

Al2(SO4)3 is less effective than MgSO4 in coagulating As2S3 sol.

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