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Which of the following statements is correct with respect to colloidal state and surface phenomenon.A. Gold sol can be coagulated by SO `._(4)^(2-)ion`.B. `Sb_(2)S_(3)` sol can be coagulated by adding `Fe(OH)_(3)` sol.C. Adsorption processes are entropy driven process always.D. At very high pressures, adsorption increases with pressure. |
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Answer» Correct Answer - B `Sb_(2)S_(3)` is the negatively charged sol. |
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