Jamb Chemistry 2000 Past Questions and Answers

Question 36:

• JAMB 2000

A form of carbon used for absorbing poisonous gases and purification of noble gases is

A. Wood charcoal
B. Animal charcoal
C. Carbon fibres
D. Carbon black

Question 37:

• JAMB 2000

Synthesis gas is a mixture of

A. CH₄ and H₂O
B. CH₄ and H₂
C. CO₂ and H₂
D. CO and H₂

Question 38:

• JAMB 2000

Potassium vapour burns with a

A. Blue flame
B. Brick-red flame
C. Violet flame
D. Golden-yellow flame

Question 39:

• JAMB 2000

A common characteristics of copper and silver in their usage as coinage metals is that they

A. Have high metallic lustre
B. Are not easily oxidized
C. Are easily oxidized
D. Are not easil reduced

Question 40:

• JAMB 2000

Haematite is an ore of

A. Zinc
B. Lead
C. Iron
D. Copper