KVPY Government Jobs Exams

Assuming ideal behaviour, the enthalpy and volume of mixing of two liquids, respectively, are
(A) zero and zero (B) + ve and zero (C) –ve and zero (D) – ve and – ve

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KVPY Other Question

Extraction of silver is achieved by initial complexation of the ore (Argentite) with X followed by reduction
with Y. X and Y respectively are
(A) CN– and Zn (B) CN– and Cu (C) Cl– and Zn (D) Br– and Zn At 298 K, the ratio of osmotic pressures of two solutions of a substance with concentrations of 0.01 M and
0.001 M, respectively, is
(A) 1 (B) 100 (C) 10 (D) 1000