Post Utme Abia State University Chemistry Past Questions and Answers

Question 6:

The minimum amount of energy required for a reactlon to take place is ____________

A. Actlvation
energy
B. Klnetic energy
C. Tactlc energy
D. Ionization energy

Question 7:

The alkanol obtained from the production of soap is ____________

A. Propanol
B. Ethanol
C. Glycerol
D. Methanol

Question 8:

The process of converting starch to ethanol is ____________

A. Cracking
B. Distillation
C. Fermentation
D. Oxidation

Question 9:

The enzyme Invertase converts sucrose Into ____________

A. Glucose and glucose
B. Glucose and galactose
C. Glucose and fructose
D. Fructose and galactose

Question 10:

Calculate the molecular formula of a compound with empirical formula \(\mathrm{CH}_{2} \mathrm{O}\) and relative molecular mass 120
\((\mathrm{C}=12, \mathrm{O}=16, \mathrm{H}=1)\)

A. \(\mathrm{C}_{2} \mathrm{H}_{4} \mathrm{O}_{2}\)
B. \(\mathrm{C}_{1} \mathrm{H}_{3} \mathrm{O}_{4}\)
C. \(\mathrm{C}_{3} \mathrm{H}_{16} \mathrm{O}_{\text {a }}\)
D. \(\mathrm{C}_{3} \mathrm{H}_{2} \mathrm{O}_{3}\)