Precipitation occurs when hydrated ferric oxide and
arsenious sulphide are mixed. It is due to
A. Electroosmosis
B. Electrophoresis
C. Catalysis
D. Mutual coagulation
arsenious sulphide are mixed. It is due to
A. Electroosmosis
B. Electrophoresis
C. Catalysis
D. Mutual coagulation
Correct Answer – D