Jamb Chemistry 2004 Past Questions and Answers

Question 16:

• JAMB 2004

Pollution of underground water by metal ions is very likely in the soil that has high

A. Acidity
B. Alkalinity
C. Chloride content
D. Nitrate content

Question 17:

• JAMB 2004

A carcinogenic substance is

A. Asbestos dust
B. Sawdust
C. Nitrogen (II) oxide
D. Carbon (II) oxide

Question 18:

• JAMB 2004

The solubility in mol dm/^-3 of 20g of CuSO₄ dissolved in 100g of water at 180^o is
[Cu = 64, S = 32, O =16]

A. 0.13
B. 0.25
C. 1.25
D. 2.00

Question 19:

• JAMB 2004

Calcium tetraoxosulphate (VI) dissolves in water only sparingly to form a

A. Solution
B. Suspension
C. Precipitate
D. Colloid

Question 20:

• JAMB 2004

Which of the following compound is a normal salt?

A. NaHS
B. NaHSO₄
C. NaHCO₃
D. Na₂CO₃