Post Utme Chemistry Past Questions and Answers

Question 1011:

The metal purified commercially by electrolysis is____________

A. Zn
B. Fe
C. Sn
D. Cu

Question 1012:

The equilibrium of an endothermic reaction which proceeds with an increase in volume can be shifted in the reverse direction by____________

A. Increasing the temperature and decreasing the pressure
B. Decreasing the temperature and increasing the pressure
C. Decreasing the temperature and decreasing the pressure
D. Increasing the temperature and increasing the pressure

Question 1013:

One of the products of the thermal decomposition of sodium trioxonitrate \(( V )\) is____________

A. Sodium
B. Nitrogen
C. Sodium dioxonitrate (III)
D. Sodium oxide

Question 1014:

Lucas' reagent is used to test for____________

A. Alkanes
B. Alkanoic acids
C. Alkanols
D. Amines

Question 1015:

\({ }_{92}^{238} U +{ }_{0}^{1} n \rightarrow{ }_{56}^{139} Ba +{ }_{36}^{94} Kr +5{ }_{0}^{1} n\). The reaction represents a/an ____________

A. Nuclear fission
B. Nuclear fusion
C. Alpha decay
D. Gamma decay