ENTRANCE TEST – 2013 Multiple Questions and Answers.




1.Hydrogen burns in chlorine to produce hydrogen chloride. The ratio of masses of reactants in chemical reaction is:
A. 1:35.5
B. 2:35.5
C. 1:71
D. 2:70

2.The coordination number of Na+ in NaCl crystal is:
A. 6
B. 2
C. 4
D. 8

3. There are four gases H2, He, N2 and CO2 at 0 °C. Which gas shows greater non-ideal behavior?
A. He
B. CO2
C. H2
D. N2

4. Correct order of energy in the given subshells is:
A. 5s > 3d > 3p > 4s
B. 5s > 3d > 4s > 3p
C. 3p > 3d > 5s > 4s
D. 3p > 3d > 4s > 5s

5.Number of electrons in the outermost shell of chloride ion (Cl―) is:
A. 17
B. 3
C. 1
D. 8

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