Past Questions And Answers
Aluminium hydroxide is used in the dyeing industry as a
- A. Salt
- B. Dye
- C. Mordant
- D. Dispersant
The practice of voting in absentia through an authorized representative is
- A. bye-election
- B. delegated election
- C. voting by proxy
- D. quota voting
The human right that is applicable to human beings without reference to their nationality is the right to
- A. life and dignity of human persons
- B. vote
- C. acquire assets and landed property
- D. work
The eye defect illustrated in the diagram below can be corrected by a
- A. convex mirror
- B. concave mirror
- C. diverging lens
- D. converging lens
The graph of density against temperature for water is correctly illustrated by
- A. I
- B. II
- C. III
- D. IV
When air is passed through a heated tube containing finely divided copper, the component that is absorbed in the process is
- A. carbon (IV) oxide
- B. nitrogen
- C. oxygen
- D. water vapour
The upper part of the trachea in mammals is called
- A. palate
- B. epiglottis
- C. larynx
- D. glottis
Write short notes on the following: (a) bush burning; (b) clean clearing; (c) organic manuring
View Discussion (0)WAEC 1998 THEORY(a) Define oxidation in terms of electron transfer.
(b) Consider the following: Cu\(_{(s)}\) + 2Ag\(^{+}_{(Ag)}\) \(\to\) Cu\(^{2+}_{(aq)}\) + 2Ag\(_{(s)}\)
(i) State the species that is reduced
(ii) Write half-cell equation for each of the species.
View Discussion (0)WAEC 1994 THEORYThe typical red tropical soil is
- A. deeply weathered in nature, with marked A horizon and little humus
- B. rich in humus,with healthy overhead vegetation and high temperature
- C. deeply weathered in nature and rich in humus
- D. rich in humus with high temperature