Solubility - Jamb Chemistry Past Questions and Answers

Question 41:

• JAMB 1992

Addition of an aqueous solution of a salt gives a white precipitate. The salt is likely to be a?

A. Nitrate
B. Carbonate
C. Chloride
D. Sulphide

Question 42:

• JAMB 1993

For which salt in the graph above does the solubility increase most rapidly with rise in temperature?

A. CaSO₄
B. KNO₃
C. NaCl
D. KCl

Question 43:

• JAMB 1994

A solid that absorbs water from he atmosphere and forms an aqueous solution is?

A. Hydrophilic
B. Efforescent
C. Deliquescent
D. Hygroscopic

Question 44:

• JAMB 1994

Sodium chloride has no solubility product value because of its?

A. Saline nature
B. High solubility
C. Low solubility
D. Insolubility

Question 45:

• JAMB 1994

The solubility, in moles per dm³ of 20.2 g of potassium trioxonitrate (V) dissolve in 100 g of the resulting mixture is?
(K = 39, O = 16, N =14).

A. 0.10
B. 0.20
C. 1.00
D. 2.00