IIT JEE Advanced 2009 Paper 1

Section: Chemistry
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Question : 23 of 60
 
Marks: +1, -0
Among the electrolytes Na2SO4,CaCl2,Al2(SO4)3 and NH4Cl, the most effective coagulating agent for Sb2S3 sol is
[JEE Adv 2009 P1]
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