Past Questions And Answers
This question is based on Ademiluyi's
- A. digression and rubric
- B. intrigues and metaphors
- C. setting and design
- D. suspense and irony
(a)(i) Draw a labelled diagram for the laboratory preparation of a dry sample of chlorine
(ii) Give one chemical test for chlorine.
(b) Write equations to represent the reaction of chlorine gas with: (i) iron (II) chloride solution;
(ii) potassium iodide solution;
(iii) hot concentrated sodium hydroxide solution.
(c) State what is observed on:
(i) bubbling hydrogen chloride gas into an solution of lead (II) trioxonitrate (V);
(ii) heating the mixture from (c)(i) above to boiling and aging it to cool.
(d) A solution of bismuth chloride was prepared by adding the oxychloride which is a white powder to concentrated hydrochloric acid. The following equilibrium was set up: BiOCI\(_{(s)}\) + 2HCI\(_{(aq)}\) \(\rightleftharpoons\) BiCl\(_{3(aq)}\) + H\(_2\)O\(_{(q)}\). State what would be observed if some water is added to the system. Explain your answer
View Discussion (0)WAEC 1994 THEORYHighlight anyfivereasons for the need to make the study of West African history compulsory in Nigerian schools.
View Discussion (0)WAEC 2018 THEORYWhich of the following is NOT directly concerned with dealings in treasury bills?
- A. The stock exchange
- B. The Central bank
- C. Commercial banks
- D. Discount houses
These question are based on selected poems from Johnson, R. et al (eds.): New Poetry from Africa; Soyinka, W. (ed.): Poems of Black Africa; Senanu, K.E. and Vincent, T. (eds): A Selection of African Poetry; Umukoro M. et al: Exam Focus: Literature in English; Eruvbetine, A.E. et al (eds.): Longman Examination Guides: Poetry for Senior Secondray Schools NWOGA, d.i. (ED.) West African Verse.
Cheney-Coker's Myopia is a
- A. ballad
- B. dirge
- C. lament
- D. sonnet
The initial velocity of an object is \(u = \begin{pmatrix} -5 \\ 3 \end{pmatrix} ms^{-1}\). If the acceleration of the object is \(a = \begin{pmatrix} 3 \\ -4 \end{pmatrix} ms^{-2}\) and it moved for 3 seconds, find the final velocity.
- A. \(\begin{pmatrix} -14 \\ 15 \end{pmatrix} ms^{-1}\)
- B. \(\begin{pmatrix} -2 \\ 1 \end{pmatrix} ms^{-1}\)
- C. \(\begin{pmatrix} 4 \\ -9 \end{pmatrix} ms^{-1}\)
- D. \(\begin{pmatrix} 14 \\ -9 \end{pmatrix} ms^{-1}\)
When NH4Cl(s) is dissolved in water, the container feels cold to touch. This implies
- A. The process is endothermic
- B. The process is exothermic
- C. NH4Cl forms a saturated solution
- D. NH4Cl is highly soluble in water
What is Windows XP?
- A) Operating System
- B) Storage Device
- C) Processor
- D) Output Device
At which of the following latitudes would you expect more than 24 hours of continuous sunshine or darkness at a particular time of the year?
- A. 40°N and S
- B. 50°N and S
- C. 60°N and S
- D. 70°N and S
Which of the following factors does not affect the e.m.f of a primary cell? Its
- A. size
- B. internal resistance
- C. operating temperature
- D. duration of usage