ENTRANCE TEST – 2010 Multiple Questions and Answers.




66.What will be the pH of a solution of NaOH with a concentration of 10-3 M?
A. 3
B. 14
C. 11
D. 7

67.f the reactant or product of a chemical reaction can absorb ultraviolet, visible or infrared radiation, then the rate of a chemical reaction can best be measured by which one of the following methods?
A. Chemical method
B. Spectrometry
C. Graphical method
D. Differential method

68.For the reaction 2NO + O2 ⇌ 2NO2, the rate equation for the forward reaction is
A. Rate = k [NO] [O2]
B. Rate = k [NO]2[O2
C. Rate = k [NO2]2
D. Rate = k [NO2]

69.Radon is _______ emitter and being radioactive is used in ________ treatment in radiotherapy:
A. β, cancer
B. α, cancer
C. α, kidney stone
D. β, kidney stone

70.Arrange the following elements according to the trend of ionization energies. (C, N, Ne, B)
A. Ne < N < C < B
B. B < N < C < Na
C. B < C < N < Na
D. Ne < B < C < N

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