Among the electrolytes Na2SO4, CaCI2, Al2(SO4)3 and NH4Cl, the most effective coagulating agent for Sb2S3 Sol is ……………
A. Na,SO4
B. CaCl2
C. Al2(SO4)3
D. NH4Cl
Answer:C
Among the electrolytes Na2SO4, CaCI2, Al2(SO4)3 and NH4Cl, the most effective coagulating agent for Sb2S3 Sol is ……………
A. Na,SO4 B. CaCl2 C. Al2(SO4)3 D. NH4Cl