Post Utme Economics Past Questions and Answers

Question 946:

Benzene commonly undergoes reactions ____________

A. Addition
B. Elimination
C. Substitution
D. Amendment

Question 947:

Under high pressure, real gases, deviate from compliance with gas law because their molecules ____________

A. Experience repulsive forces
B. Have become more energetic
C. Have become less energetic
D. Collide inelastically

Question 948:

Which of the \(3 \mathrm{~d}, 4 \mathrm{~s}, 4 \mathrm{p}, 4 \mathrm{~d}\) has lowest energy?

A. \(3 \mathrm{~d}\)
B. \(4 \mathrm{~s}\)
C. \(4 \mathrm{p}\)
D. \(4 \mathrm{~d}\)

Question 949:

One of the causes of algae growth in rivers is the presence of ____________

A. Heavy metals
B. Pesticides
C. Phosphates from detergents
D. High particulate loading

Question 950:

Phenolpthalein solution at \(\mathrm{pH} 2.5\) is ____________

A. Yellow
B. Pink
C. Red
D. Colourless