Post Utme Delta State University General Paper Past Questions and Answers

Question 31:

Copper is displaced from solution of its salts by most metals because it ____________

A. Transition metal
B. Has completely filled the d orbitals
C. Is at the bottom of the activity series
D. Is very reactive.

Question 32:

Which item is odd in the group?

A. Police Force
B. Air Force
C. Navy
D. Army

Question 33:

Steam changes the colour of anhydrous cobalt (ii) chloride from

A. Blue to Pink
B. White to Blue
C. White to Red
D. Blue to White

Question 34:

Which of the following is used as fuel in miners lamp ____________

A. Ethane
B. Ethane
C. Ethyne
D. Ethene

Question 35:

Which of these organic compounds is very soluble in water?

A. \(CH _3 COOC _2 H _5\)
B. \(C _2 H _4\)
C. \(CH _3 COOH\)
D. \(C _2 H _2\)