KVPY Government Jobs Exams

In metallic solids, the number of atoms for the face-centered and the body-centered cubic unit cells, are,
respectively-
(A) 2, 4 (B) 2, 2 (C) 4, 2 (D) 4, 4

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KVPY Other Question

Increasing the temperature increases the rate of reaction but does not increase the-
(A) number of collisions (B) activation energy
(C) average energy of collisions (D) average velocity of the reactant molecules From equations 1 and 2,
CO2 CO + 1/2 O2 [Kcl = 9.1 × 10^–13 at 1000ºC] (eq. 1)
H2O H2 + 1/2 O2 [Kcl = 7.1 × 10^–12 at 1000ºC] (eq. 2)
the equilibrium constant for the reaction CO2 + H2 CO + H2O at the same temperature, is