Post Utme Chemistry Past Questions and Answers

Question 1016:

The condition required for corrosion to take place is the presence of____________

A. Water and carbon (IV) oxide
B. Water, carbon (IV) oxide and oxygen
C. Oxygen and carbon (IV) oxide
D. Water and oxygen

Question 1017:

The bleaching action of chlorine gas is effective due to the presence of ____________

A. Oxygen
B. Hydrogen chloride
C. Air
D. Water

Question 1018:

Two organic compounds \(A\) and \(B\) were treated with a few drops of Fehling's solutions respectively. \(A\) formed a brick-red precipitate while \(B\) remained unaffected. The compound \(K\) is an ____________

A. Alkanol
B. Alkane
C. Alkanal
D. Alkenone

Question 1019:

How many isotopes does hydrogen have?

A. 2
B. 3
C. 4
D. 5

Question 1020:

The bond formed when two electrons that are shared between two atoms are donated by only one of the atoms is ____________

A. Covalent
B. Dative
C. Ionic
D. Metallic