Past Questions And Answers
On heating, which of the following compounds will decompose to the free metal, nitrogen (IV) oxide and oxygen?
- A. Ca(NO3)2
- B. Cu(NO3)2
- C. AgNO3
- D. NaNO3
A mixture of kerosene and diesel oil can be separated by
- A. crystallization
- B. distillation
- C. precipitation
- D. sublimation
2SO2(g) + O2(g) ↔ 2SO3(g) ΔH = -189 kJ mol-1 The equilibrium constant for the reaction above is increased by
- A. Increasing the temperature of the system
- B. Increase the pressure of the system
- C. The addition of a catalyst to the system
- D. Increasing the surface area of the vessel
The abilty of a chameleon to change its colour is an adaptive future for
- A. attraction
- B. defence
- C. display
- D. attack
The best solution to the rapid depletion of forest resources in West Africa is to
- A. reserve hectares of land for plantations
- B. introduce forest conservation techniques
- C. import wood from other countries
- D. employ more forest guards
The equation of a certain progressive transverse wave is y = 2 sin 2 \(\pi ( \frac{t}{0.01} - \frac{x}{30})\), where x and y are in cm and t in seconds. Calculate the period of the wave.
- A. 0.001s
- B. 0.010s
- C. 10.000s
- D. 100.000s
Synonym: ERUDITE
- A. Slave
- B. Scholarship
- C. Worm
- D. Schooling
Which of the following is true of a parliamentary system of government?
- A. there is an Executive President
- B. Fusion of powers is discouraged
- C. Collective responsibility is emphasized
- D. The Prime Minister is the head of the judiciary
One of the ways in which body cells differ from gamete cells is in the
- A) type of centromeres the contain
- B) number of chromosome pairs the contain
- C) type of chromatide they contain
- D) number of chromosomeres they contain
In a confederation,the constituency that a member of the legislature represents is a
- A. nation-state
- B. region
- C. senatorial district
- D. parliamentary consistuency