Chemistry Practice Test – Solutions and Solubility

Hello and Welcome to Chemistry Practice Test – Solution and Solubility

  1. You are to attempt 5 random objectives questions ONLY.
  2. Supply Your Full Name and Location in the text box below and begin immediately.
  3. You can attempt as many times as possible
1. 


1.0 dm3 of distilled water was used to dissolve 2.0 g of a precipitate of AgCl. If the solubility product of AgCl is 2.0 x 10-10 moldm-3, what quantity of silver was lost in the process? (JAMB 2000)

A. 2.029 x 10-3 moldm-3
B. 1.414 x 10-3 moldm-3
C. 2.029 x 10-5 moldm-3
D. 1.414 x 10-5 moldm-3

2. 


45g of Pb(NO3)2 is required to saturate 25 cm3 of distilled water at 20°C. Determine the solubility of the salt at this temperature. (JAMB 2021)

A. 4.37 moldm-3
B. 2.72 moldm-3
C. 0.272 moldm-3
D. 5.44 moldm-3

3. 


16.55 g of lead(II) trioxonitrate (V) was dissolved in 100 g of distilled water at 20oC. Calculate the solubility of the solute in moldm-3 (JAMB 2014)

A. 0.50 moldm-3
B. 0.05 moldm-3
C. 2.00 moldm-3
D. 1.00 moldm-3

4. 


A liquid that will dissolve fat is _______ (JAMB 2003)

A. kerosene
B. hydrochloric acid
C. water
D. calcium hydroxide

5. 


A supersaturated solution is said to contain _______ (JAMB 2007)

A. as much solute as it can dissolve at that temperature
B. more solute than it can dissolve at that temperature
C. as much solute as it can dissolve at that temperature in the presence of undissolved solute
D. more solute than it can dissolve at that temperature in the presence of undissolved solute.

 

 

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