Past Questions And Answers
I thought the time was ten minutes to two ,but I was looking at the clock in a mirror. What time was it really?
- A. ten minutes to two
- B. ten minutes after two
- C.ten to ten
- D. Ten to three.
Which of the following gases can be collected by the method of downward delivery?
- A. Chlorine
- B. Oxygen
- C. Ammonia
- D. Hydrogen
What does Paul advise Roman Christians to do to those who persecute them?
- A) Give them drink when thirsty
- B) Forgive them
- C) Bless them
- D) Feed them when hungry
Which of the following is not a function of a warehouse?
- A. Allowing pilfering of goods.
- B. Stabilizing market price.
- C. Protecting of goods.
- D. Providing insurance for goods.
Find the curved surface area of a cone with circular base diameter 10 cm and height 12 cm
- A. 25 πcm2
- B. 65 πcm2
- C. 120 πcm2
- D. 156 πcm2
According to Paul, the second coming of Christ will take place
- A. after the reign of the saints
- B. in our life time
- C. suddenly and unexpectedly
- D. when sin shall be no more
Explain the factors responsible for the very high population density in the
(a) North-East of USA
(b) Indus and Ganges deltas.
View Discussion (0)WAEC 1990 THEORY(a)(i) State three characteristics of a homologous series.
(ii) Give the name and structural formula of the second member of the alkyne series.
(iii) Write an equation to represent the combustion of ethane in excess oxygen.
(b) Name the type of reaction involved in the conversion of ethanol to
(i) ethene;
(ii) ethylethanoate;
(iii) chloroethane;
(iv) ethoxide
(v) ethanoic acid
(c) Consider the following compound.
(i) Write its IUPAC name.
(ii) Give its molecular formula and empirical formula
(iii) List the products of its H H 0 reaction with saturated Na\(_2\)CO\(_3\) solution.
(iv) State with reason whether its boiling point will be higher or lower than that of the corresponding alkane.
(d) A vegetable oil X was treated with activated charcoal and then with a gas Y in the presence of a catalyst in order to manufacture
(i) Identify Y.
(ii) State the function of the activated charcoal.
(iii) What is the catalyst used?
(iv) If a sample of X is heated with concentrated sodium hydroxide solution, list the products that will be obtained.
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And I asked them concerning the Jews that survived, who has escaped exile, and concerning Jerusalem... These were the words of
- A. Jeremiah
- B. Nehemiah
- C. Ezra
- D. Hanani
Which of the following actions will not increase the sensitivity of a moving coil galvanometer?
- A. using a strong temporary magnet
- B. increasing the area and number of turns of the coil
- C. using a week hair spring
- D. using a light pointer