Jamb Chemistry Past Questions and Answers

Question 1531:

• JAMB 2009

The gasification of coke is used for the manufacturing of

A. Producer gas
B. Natural gas
C. Synthetic gas
D. Industrial gas

Question 1532:

• JAMB 2009

The gas that is most useful in protecting humans against solar radiation is

A. Chlorine
B. Ozone
C. Carbon (IV) oxide
D. Hydrogen sulphide

Question 1533:

• JAMB 2009

Which of the following allotrope of carbon is a constituent of a lead pencil?

A. Graphite
B. Diamond
C. Lampblack
D. Soot

Question 1534:

• JAMB 2009

which of the following metals will show the highest metallic character?

A. Zinc
B. Copper
C. Barium
D. Calcium

Question 1535:

• JAMB 2009

Copper metal dissolves in concentrated trioxonitrate (V) acid with the resultant evolution of

A. CO₂
B. SO₂
C. NO₂
D. CO