Post Utme Economics Past Questions and Answers

Question 881:

If 12 and 9 are the atomic numbers of elements \(P\) and \(\mathrm{Q}\) respectively, the interatomic bond between these elements is ____________

A. Coordinate
B. Neutral
C. Covalent
D. Ionic

Question 882:

All the following statements are false about sodium chloride in the solid state except ____________

A. It exists as aggregate of ions
B. It conducts electric circuit
C. It exists as discrete molecules
D. Its ions are linked by metallic bonds

Question 883:

The abnormally high boiling point of water is due to ____________

A. It high molecular mass
B. The presence of metallic bond
C. The presence of hydrogen bonds
D. The presence of covalent bonds

Question 884:

The rate of diffusion of a gas \(\mathrm{R}\) is inversely proportional to the square root of it density, this statement is synonymous with ____________

A. Composition of mass
B. Graham's law of diffusion
C. General gas law
D. Gay Lussac's law

Question 885:

The pressure of a given mass of gas is \(30 \mathrm{mmHg}\). What will be the pressure in Newton/m?

A. \(3000 \mathrm{Nm}^{-2}\)
B. \(3999.7 \mathrm{Nm}^{-2}\)
C. \(309.3 \mathrm{Nm}^{-2}\)
D. \(2984 \mathrm{Nm}^{-2}\)