Post Utme Chemistry Past Questions and Answers

Question 526:

A change in the temperature of saturated solution disturbs the equilibrium between the ____________

A. Solvent and the undissolved solute
B. Dissolved solute and the solution
C. Dissolved solute and the solvent
D. Dissolve solute and the undissolved solute

Question 527:

A liquid that will dissolve fat is ____________

A. Kerosene
B. Hydrochloric acid
C. Water
D. Calcium hydroxide

Question 528:

A consequence of global warming is ____________

A. Increased humidity
B. Flooding
C. Water pollution
D. Air pollution

Question 529:

when 10g of sodium hydroxide dissolved in 1000cm3 of water, the solution formed is approximately
(Na=23. H=10=16)

A. 0.50 moldm^-3
B. 0.01 moldm^-3
C. 0.10moldm^-3
D. 0.25moldm^-3

Question 530:

Which of the following can electrolyte?

A. Mercury
B. Alcohol
C. Sodium acetate solution
D. Solid potassium hydroxide