Starch solution is not coagulated by the addition of salt solution but gold sol is coagulated. Why?

1 mole of AgI//Ag^(+) sol is coagulated by

A colloidal solution of arsenious sulphide is most readily coagulated by the addition of a normal solution?

Out of Lyophilic and Lyophobic sols, which can be easily coagulated on the addition of a small amount of electrolyte ?

100 ml of a colloidal solution is completely precipitated by addition of 0.5 ml 1M NaCl solution, calculate the coagulation value of NaCl.

100mL of a colloidal solution is completely precipitated by addition of 5mL of 1M NaCl solution. Calculate the coagulation value of NaCl .

TiO_2 sol can be most easily coagulated by

Statements : A colloide gets coagulated by addition of an electrolyte . . Expabnations : The rate of coagultion depends on the magnitude and sing of the charge of the coagulant ion.

Colloidal gold sol can be preared by the reduction of soluble salt solution such as AuCl_3 with

The coagulation of 10cm^(3) of gold sol by 1 ml 10% NaCl solution is completely prevented by addition of 0.025g of starch to it. The gold number of starch is

What is meant by coagulation of a colloidal solution? Name any method by which coagulation of lyophobic sols can be carried out.