Past Questions And Answers
AFRICAN PROSE
ASARE KONADU: A Woman In Her Prime
Comment on the superstitions beliefs and practices in the novel.
View Discussion (0)WAEC 2013 THEORY(a)(i) List two properties of iron that are characteristic of transition metals
(ii) Using equations only, show the processes involved in the extraction of iron and the removal of impurities in the blast furnace.
(iii) The following reaction occurs when a piece of iron is exposed to moist air for some days:
4Fe\(_{(s)}\) + 3O\(_{2(g)}\) + xH\(_2\)O\(_{(l)}\) —> 2Fe\(_2\)O\(_3\)\(_{(s)}\) State three methods by which this reaction can be prevented
(iv) What is the oxidation number of iiron in the product in (iii) above?
(b)(i) Arrange the following metals in the order of increasing reactivity. Hence, state which of them is/are extracted by electrolysis Au, Zn, Mg, Na, Sn, Ca
(ii) Why is zinc said to be amphoteric?
(c)(i) Define oxidation in term of electron transfer
(ii) Determine how many moles of electrons are transferred when 4825 coulombs of electricity are passed through an electrolytic cell. [1F = 96500C]
(iii) Calculate the number of copper (II) ions that will be discharged by 0.250F. [Avogadro constant = 5.02 x 10\(^{23}\)
View Discussion (0)WAEC 2000 THEORYOne but all are factors that lead to growth of nationalism in Nigeria.
- A. The Atlantic Charter
- B. The super power
- C. Return of the ex-men
- D. Colonial favours from overload
From the words lettered A to D, choose the word that best completes each of the following sentences.
Please include.........sites for our excursions
- A. all the interesting, many, historical
- B. the man, all interesting, historical
- C. the all historical, many, interesting
- D. all the many interesting historical
Plants that are adapted to grow in dry land where water content is low are
- A) Halophytes
- B) Hydrophytes
- C) Xerophytes
- D) Mesophytes
The prosperity of Kenya depends upon the cultivation of
- A. coffee, sisal and rice
- B. coffee, cocoa and rice
- C. coffee, rubber and maize
- D. coffee, maize and sisal
What effect will an increase in price have on the total revenue of a firm whose product has inelastic demand? total revenue will
- A. increase
- B. fall
- C. fluctuate
- D. remain unchanged
Department store usually?
- A. offers a wide variety goods
- B. specialize in selling only household goods
- C. offer a few line of goods
- D. sell on cash on delivery basis
The gland that releases hormones into the blood are part of the
- A. digestive system
- B. endocrine system
- C. circulatory system
- D. respiratory system
In the diagrams below, the opportunity cost of a unit of cotton in terms of cocoa is

- A. 4 for Ghana; 2 for Nigeria
- B. 20 for Ghana; 60 for Nigeria
- C. 1/4 for Ghana; 1/2 for Nigeria
- D. 5 for Ghana; 30 for Nigeria

