Post Utme University of Uyo Chemistry Past Questions and Answers

Question 6:

Four element P,Q, R and S, have 1, 2, 3, and 7 electrons in their outermost shells respectively.
The element which is unlikely to be a metal is ____________

A. P
B. Q
C. R
D. S

Question 7:

The pollutants that are likely to be present in an industrial environment are ____________

A. H2S, SO2, and oxides of nitrogen
B. Carbon (II) oxide
C. Nitrogen
D. Sulphur (iv) oxide

Question 8:

An emulsion paint consist of ____________

A. Gas and liquid particles dispersed in liquid
B. Liquid particles dispersed in liquid
C. Solid particles dispersed in liquid
D. Solid particles dispersed in solid

Question 9:

A Sample of orange juice was found to have a pH of 3.80. What is the concentration of hydroxide ion in the juice?

A. 1.6x10⁴
B. 6.1x10¹¹
C. 6.1x10⁴
D. 1.6x 10¹¹

Question 10:

Copper (II) tetraoxosulphate(VI) solution is electrolyzed using carbon electrodes.
which of the following are produced at the anode and cathode respectively

A. Copper and oxygen
B. Oxygen and copper
C. Hydrogen and copper
D. Cooper and Hydrogen