IIT-JEE Exam

The term that corrects for the attractive forces present in a real gas in the van der Waals equation is

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IIT-JEE Other Question

Among the electrolytes Na2SO4, CaCl2, Al2(SO4)3 and NH4Cl, the most effective coagulating agent for
Sb2S3 sol is
(A) Na2SO4 (B) CaCl2
(C) Al2(SO4)3 (D) NH4Cl
The compound(s) formed upon combustion of sodium metal in excess air is(are)
(A) Na2O2 (B) Na2O
(C) NaO2 (D) NaOH