Question 771:

• JAMB 1992

In the experiment above. Z can be

A. A solution of sodium dioxonitrate (lll) and ammonium chloride
B. A solution of lead trioxnitrate (V)
C. A solution of sodium trioxonitrate (V) and ammonium chloride
D. Concentrated tetraoxosulphate (VI) acid and sodium trioxonitrate (V)

Question 772:

• JAMB 1992

Which of the following compounds is a secondary alkanol?

A. A
B. B
C. C
D. D

Question 773:

• JAMB 1992

A given mass of gas occupies 2 dm² at 300k. At what temperature will its volume be doubled keeping the pressure constant?

A. 400k
B. 480k
C. 550k
D. 600k

Question 774:

• JAMB 1992

Which of the following is a measure of the average kinetic energy of the molecules of a substance?

A. Volume
B. Mass
C. Pressure
D. Temperature

Question 775:

• JAMB 1993

Which of the following substances is a mixture?

A. Sulphur powder
B. Bronze
C. Distilled water
D. Ethanol