AI PMT Question Paper Chemistry 2005. Question Papers
CHEMISTRY 7th
1. Which of the following process has negative values of D S?
A. Evaporation of water B. Decomposition of lime
C. Stretching of rubber band D. Dissolution of sugar in water
2. The ionization constant of acetic acid is 1.8 x 10 – 8. At what concentration will it be
dissociated to 2%?
A. 0.045 M B. 1 M C. 0.018 M D. 0.18 M
3. In which one of the following cases, D S = D H/T?
A. an adiabatic process B. a process at constant pressure
C. an isothermal reversible phase change D. a process for which D Cp = 0
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