Past Questions And Answers
A political party is different from a pressure group in its
- A. Objective
- B. Organization
- C. Strategy
- D. Source of finance
Which of the following pairs of light rays shows the widest separation in the spectrum of white light?
- A. Yellow and red
- B. Orange and green
- C. Violet and blue
- D. Red and indigo
The prismatic compass indicates the positions of objects in relation to the?
- A. North Star
- B. Grid North
- C. True North
- D. Magnetic North
Taiwo asked the teacher_______
- (A) do you understand me?
- (B) are you understanding me?
- (C) have you been understanding me?
- (D) are you not understanding me?
A negatively charged rod is held close to an uncharged metal ball on an insulating stand. The ball will
- A. be negatively charged
- B. be positively charged
- C. have an excess negatively charges on the side nearest the rod
- D. have an excess positively charges on the side nearest the rod
The last child of Prophet Muhammad(S.A.W) is
- A. Zaynab
- B. Ruqayyah
- C. Ibrahim
- D. Tahir
Explain how the following factors will affect the demand for a commodity X:
(a) a decrease in the price of a implement Y; [5 marks]
(b) an increase in consumers' disposable income; [5 marks]
(c) a decrease in the apply of a substitute P; [5 marks]
(d) an increase in income tax. [5 marks]
View Discussion (0)WAEC 2012 THEORYUnder which of the following conditions do gases conduct electricity?
- A) Low presssure and low p.d
- B) low pressure and high p.d
- C) high pressure an low p.d
- D) high pressure and high p.d
State: (a) the difference between plane polarized light and ordinary light;
(b) two uses of polaroids.
View Discussion (0)WAEC 2011 THEORY(a)(i) Describe briefly the laboratory preparation of hydrogen gas from the action of steam on iron.
(ii) Write the equation for the reaction in (a)(i).
(iii) List three methods for the industrial preparation of hydrogen gas.
(b)Consider the following reaction equation:
CO(g) + 2H\(_{2(g)}\) CH\(_3\)OH\(_{(g)}\) + 201kJmol-J
Predict the effect of each of the following factors on the position of equilibrium:
(i) decrease in temperature;
(ii) increase in pressure;
(iii) increase in concentration of CO\(_{(g)}\).
(c) (i) Define condensation polymerization.
(ii) Name two condensation polymers.
(iii) Write the formula of ethylethanoate.
(d) (i) Define the term allotropy.
(ii) Name two crystalline allotropes of carbon.
(iii) State one use of each of the allotropes named in (d)(ii).
(e) Statetwo differences between nitrogen (I) oxide and oxygen.
View Discussion (0)WAEC 2018 THEORY