Chemistry 2013 Jamb Past Questions and Answers

Question 6 :

• JAMB 2013

The shape of the carbon (lV) oxide molecule is

A. Pyramidal
B. Linear
C. Angular
D. Tetrahedral

Question 7 :

• JAMB 2013

Which of the following molecules is held together by hydrogen bond?

A. CH₄
B. HBr
C. H₂SO₄
D. HF

Question 8 :

• JAMB 2013

The bond formed between two elements with electron configurations 1s² 2s² 2p⁶ 3s² and 1s² 2s² 2p⁴ is

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

Question 9 :

• JAMB 2013

The constituent of air that acts as a diluent is

A. Nitrogen
B. Carbon (IV) oxide
C. Noble gases
D. Oxygen

Question 10 :

• JAMB 2013

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

A. White to red
B. Blue to white
C. Blue to pink
D. White to blue