Past Questions And Answers
Explain the different types of Jihad
View Discussion (0)WAEC 2009 THEORY(a) Describe briefly a suitable procedure for preparing a pure sample of MgSO\(_4\) starting from MgO.
(b)(i) Mention two sources of water pollution.
(ii) Explain why the sample of air collected in the process of boiling water is richer in oxygen than atmospheric air
(iii) Mention one substance used as coagulant in water treatment plants.
(c)(i) State two physical porperties of chlorine.
(ii) Write an equation to show how chlorine reacts with iron
(iii) Why is Chlorine preferred to sulphur (IV) oxide in the bleaching of cotton
(d) Bleaching powder reacts with dilute HCl according to the reaction below;
CaOCl\(_{2(s)}\) + 2HCI\(_{(aq)}\) -> CaCl\(_{2(aq)}\) + H\(_2\)O\(_{(l)}\) + Cl\(_{2(g)}\)
Calculate the mass of bleaching powder that will produce 400cm\(^3\) of chlorine at 25\(^o\)C and a pressure of 1.20 x 10\(^5\) NM\(^{-2}\). [O = 16.0; Cl = 35.5; Ca = 40.0;1 mole of gas occupies 22.4 dm\(^3\) at s.t.p; standard pressure = 1.01 x 10\(^6\) Nm\(^{-2}\)]
View Discussion (0)WAEC 2001 THEORYThis question is based on General Literary Principles.
A play which mainly aims at provoking excessive laughter is called.
- A. COMEDY
- B. A FARCE
- C. SATIRE
- D. A TRAGIC-COMEDY
in a hire purchase agreement, the buyer is the
- A. agent
- B. hirer
- C. lesse
- D. lessor
Complete this statement of Ezekiel’s teaching on individual responsibility. The fathers have eating sour grapes……
- A. And their friends have joined them
- B. Because the prophets gave them
- C. Because the labourers planted them
- D. And the children
Which of the following lines of latitudes divides the earth into two hemispheres?
- A. Tropic of Cancer
- B. Tropic of Capricorn
- C. The Equator
- D. Antarctic Circle
The gasification of coke is used for the manufacture of
- A) producer gas
- B) natural gas
- C) synthetic gas
- D) industrial gas
One of the goals of development plans in Nigeria is to
- A. increase the profitability of multinational businesses
- B. improve the country's GDP
- C. achieve higher standard of living for the citizens
- D. deregulate the economy
For this question, choose the option opposite in meaning to the word or phrase in italics Our son was highly active andexuberant
- A. subdued
- B. fulsome
- C. lively
- D. bright
LOAN IS 30% OF CREDITORS.
What is the capital balance?
- A. N1000
- B. N2 100
- C. N900
- D. N1200