Past Questions And Answers
Which of the following equations represents a redox reaction?
- A. HNO3(aq)+NaOH(aq)→NaNO3(aq)+H2O(l)
- B. AgNO3(aq)+KCl(aq)→AgCl(s)+KNO3(aq)
- C. CaCO3(s)→CaO(s)+CO2(g)
- D. 2H2S(s)+SO2(g)→2HO2+3S(g)
A satellite is in a parking orbit if its period is
- A. less than the period of the earth
- B. more than the period of the earth
- C. equal to the period of the earth
- D. the square of the period of the earth
This question is based on selected poems from Johnson, R. et all (eds.): New Poetry from Africa; Soyinka, W. (ed.):Poems of Black Africa; Senanu, K.E. and Vincent, T. (eds.): A Selection of African Poetry; Maduka C.T et al: Exam Focus: Literature in English; Eruvbetine, A.E et al (eds)_: Longman Examination Guides: Nwoga, D.I. (ed.): West African Verse and Adeoti G.: Neked Soles.
Marvel's To His Coy Mistress is written mainly in
- A. alternate rhymes
- B. blank verse
- C. heroic couplets
- D. middle rhymes
a. State the roles played by the following factors in soil formation (i)Time (ii) Rainfall (iii) parent material
b. Principles which should be followed in a good crop rotation plan |
c.Uses of forage crops
View Discussion (0)WAEC 2021 THEORYWhich of the following helps in the clotting of blood?
- A. Red blood cells
- B. White blood cells
- C. Plasma
- D. Platelets
Which of these is not applicable to the circulation of water- in nature?
- A. Water removed from oceans are Permanently lost
- B. Water constantly evaporates from the seas, rivers, lakes and soil
- C. Water vapour rises. cools, condenses and precipitates as rain and dew
- D. Water is absorbed by plants and animals from their external environment
What was the offence of Ananias and Sapphira?
- A) they did not faithfully disclose the amount of the proceeds of the land they sold
- B) Ananias did not come to church with his wife
- C) Sapphira only agreed with her husband
- D) they actually tempted the Holy Ghost
A glass bottle of initial volume 2 x 104cm3 is heated from 20oC to 50oC. If the linear expansivity of glass is 9 x 10-6K-1, the volume of the bottle at 50oC is
- A. 20016.2cm^3
- B. 20005.4cm^3
- C. 20008.1cm^3
- D. 20013.5cm^3
The growth of commerce is not enhanced by
- A. development of modern forms of production
- B. government participation in business
- C. high population growth
- D. low per capita income
British foreign investments are concentrated in
- A. EU countries
- B. Commonwealth countries
- C. Developed countries
- D. Commonwealth Nations