Past Questions And Answers
What is the main impurity in haematite?
- A. CaSiO3
- B. CaCO3
- C. SiO3
- D. Fe2O3
A ray of light incident at an angle \(\theta\) in a rectangular prism grazes the surface of the prism on emerging from the prism. Determine the value of the angle. [Absolute refractive index of the material of the prism is 1.5]
- A. 41.8°
- B. 48.2°
- C. 60.8°
- D. 90.0°
(a) State five functions of a chamber of commerce.
(b) Explain five functions of a trade association.
View Discussion (0)WAEC 2006 THEORYWhich of the following is not a symptom of foot and mouth disease of cattle?
- A. excessive production of saliva
- B. sores on feet and tongue
- C. lameness
- D. blood stained diarrhea
Petroleum is usually found in
- A. resistant rocks
- B. metamorphic rocks
- C. igneous rocks
- D. sedimentary rocks
The unintentional killing of a person is called ____
- A. suicide
- B. homicide
- C. murder
- D. manslaughter
(a) What is the IUPAC name of Fe\(_2\)(SO\(_4\))\(_3\)?
(b)(i) Write an equation to represent the reaction of hydrogen sulphide with iron (III) chloride solution.
(ii) Mention one change observed during the reaction in (b)(i) above.
View Discussion (0)WAEC 1998 THEORYWhich is the most important pollutant of the marine environment in Nigeria?
- A. Insecticides
- B. Sewage
- C. Oil
- D. Inorganic fertilizers
All the following are environmental hazards except___________
- A. flooding
- B. vulcanicity
- C. afforestation
- D. deforestation
Feudalism is a system of government where
- A. a few people monopolize the ownership of land
- B. factors of production are controlled by the capitalists
- C. communal ownership of property is prevalent
- D. state ownership of capital is prevalent