Past Questions And Answers
28051
Which of the following is a physical change?
- A) Exposing white phosphorus to air
- B) Burning kerosene
- C) Dissolving calcium in water
- D) Freezing ice cream
28052
The target of all marketing activities is the
- A. consumer
- B. middleman
- C. producer
- D. distributor
28053
When Moses stayed away for too long on the mountain, the people of Israel
- A. prayed and fasted
- B. embarked on farming
- C. returned to Egypt
- D. made and worshiped idol
28054
Horse racing and polo are events where horses are used for
- A. wildlife conservation
- B. recreation
- C. dowry payment
- D. transportation
28055
Why is the small scale trader important in West African countries?
View Discussion (0)WAEC 1999 THEORY28056
From the words lettered A to D, choose the word that best completes each of the following sentences.
The politician ran to another country to seek....
- A. refuge
- B. safeguard
- C. retreat
- D. safety
28057
In the diagram, ∠ PSR = 220°, ∠ SPQ = 58° and ∠ PQR = 41°. Calculate the obtuse angle QRS.
- A. 90°
- B. 100°
- C. 121°
- D. 60°
28058
In testing for a reducing sugar, the food substance is usually warmed with
- A. sulphuric acid
- B. million's reagent
- C. sudan III
- D. Benedicts's solution
28059
According to kinetic molecular model, in gases
- A. The particles are closely packed together, they occupy minimum space & are usually arranged in a regular pattern
- B. The particles occur in clusters with molecules slightly farther apart
- C. The molecule are very fast apart & occupy all the space made available
- D. The particle vibrate about fixed positions and are held together by the strong intermolecular bonds between them
28060
If \(T = \begin{pmatrix} -2 & -5 \\ 3 & 8 \end{pmatrix}\), find \(T^{-1}\), the inverse of T.
- A. \(\begin{pmatrix} -8 & -5 \\ 3 & 2 \end{pmatrix}\)
- B. \(\begin{pmatrix} -8 & -5 \\ 3 & -2 \end{pmatrix}\)
- C. \(\begin{pmatrix} -8 & -5 \\ -3 & 2 \end{pmatrix}\)
- D. \(\begin{pmatrix} -8 & -5 \\ -3 & -2 \end{pmatrix}\)