Post Utme Chemistry Past Questions and Answers

Question 736:

The most electronegative element among the following is ____________

A. Sodium
B. Bromine
C. Fluorine
D. Oxygen

Question 737:

The metal used to recover copper from a solution of copper sulphate is ____________

A. Na
B. Ag
C. Hg
D. Fe

Question 738:

The oldest rocks in the earth's crust were once molten and came from deep inside the earth. The molten rock called magma, spewed out in volcanic eruptions during the earth's early and solidified into hard rock is called ____________

A. Granite
B. Basalt
C. Igneous rock
D. Sedimentary rocks

Question 739:

The law which states that the amount of gas dissolve in a liquid is proportional to its partial pressure is ____________

A. Dalton’s law
B. Gay Lussac’s law
C. Hanry’s law
D. Raolt’s law

Question 740:

Which of the following compounds is readily dissolved in water?

A. CuO
B. AgCl
C. NaS,
D. CaCOa