ENTRANCE TEST – 2010 Multiple Questions and Answers.
Exercise Questions ::
CHEMISTRY
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
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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]
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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
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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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