Past Questions And Answers
When it comes to caring, Tope is much more ___________
- A. lovely
- B. lovelier
- C. lovingly
- D. loving
''' Truly, I say to you, today you will be with me in paradise.''' Jesus made the statement above to one of the criminals because he
- A. respected Him
- B. praised Him
- C. rebuked his partner
- D. was repentant
the monopolist can determine
- A. price and output
- B. price only
- C. output only
- D. price or output
(a)(i) Define the term functional group.
(b) Consider the following structure of an organic compound, Q.
(1) Name compound Q.
(ii) Write the balanced equation for the complete combustion of compound Q.
(iii) What type of reaction will compound Q undergo with chlorine?
(vi) Draw the structure of-the alkene that is an isomer of compound Q.
(c) A chemistry student was provided with four samples of organic compounds, A, B, C, and D. Samples A and B each decolourized bromine in tetrachloromethane but only sample B reacted with a solution of ammoniacal silver trioxonitrate (V) to give a white precipitate. Sample D reacted with sodium trioxocarbonate (IV) to liberate carbon (IV) oxide. When heat was applied to the mixture of samples C and D in a test tube and drops of concentrated tetraoxosulphate (VI) acid added, a product with a fruity odour was formed.
(i) Name the family of organic compounds to which samples A, B, C, and D belong.
(ii) State why samples A and B reacted with bromine in tetrachloromethane.
(iii) State the reason why sample B gave a white precipitate with the solution of ammoniacal silver trioxocarbonate (V).
(iv) Give the name o f the reactions between' samples C and D.
(v) State the two roles of the concentrated tetraoxosulphate (VI) acid in the reaction in (a)(iv).
(d) (i) Describe briefly the production of biogas using a biogas generator.
(ii) State two uses of biogas.
The organ which is sensitive to light in Euglena is the
- A. gullet
- B. chloroplast
- C. eye spot
- D. contractile vacuole
Who among the following is not entitled to zakat
- A. the poor
- B. the needy
- C. the sick
- D. the slave
Scientists who study genetics are known as
- A. genealogist
- B. geneticist
- C. mendalists
- D. genescientists
“None of you truly believes… . (Hadith 13 of An-Nawawi)
1.Complete the Hadith with its Isna¯d.
2.Comment on it.
View Discussion (0)WAEC 2012 THEORYDetermine the locus of a point inside a square PQRS which is eqidistant from PQ and QR
- A. The diagonal QS
- B. the perpendicular bisector of PQ
- C. The diagonal PR
- D. side SR
The development of a classless society is the goal of __________
- A. liberalism
- B. maxism
- C. conservatism
- D. feudalism