From the following equations, what is the order of decreasing reactivity of X, Y and Z? Y (s) + X²⁺(aq) → Y²⁺(aq) + X(s) X(s) + Z²⁺(aq) → X²⁺(aq) + Z(s)

• A. X>Y>Z
• B. Y > X > Z
• C. Z > Y > X
• D. Y > Z > X

Given:

I. Cash refunds

II. Debit note issued

III. Dishonored cheque

IV. Purchases

The item on the credit side of purchases ledger control account includes

• A. I,II and III only
• B. I and II only
• C. III and IV only
• D. I, III and IV only

From the words lettered A to D below each of the following sentences, choose the word or group of words as it is used in the sentence

I really hope beatrice would be kind enough to let us stay the night.

• A. generous
• B. polite
• C. gracious
• D. gentle

A hydrogen atom which has lost an electron contains

• A. one proton only
• B. one neutron only
• C. one proton and one neutron
• D. one proton, one electronic and one neutron

Which of the following is not an example of graphics packages

• A. Freelance
• B. Quattro pro
• C. Corel draw
• D. Havard graphics

/ei/ -

• A. Gaoler
• B. Gate
• C. Gorilla
• D. Guff

Hajj is one of the avenues for Islamic brotherhood and

• A. kindness
• B. Fairness
• C. Trust
• D. Unity

The Economic Community for West African States (ECOWAS) was established primarily to

• A. create a common currency for member countries
• B. prevent neo-colonialism
• C. sideline French West African countries in economic activities
• D. Promote economic growth and development among member states.

Unlike the British, the United States constitution is

• A. rigid, federal and written
• B. flexible, unitary and unwritten
• C. rigid written and confederal
• D. flexible, federal and unwritten

Two balls are drawn, from a bag containing 3 red, 4 white and 5 black identical balls. Find the probability that they are all of the same colour.

• A. \(\frac{5}{33}\)
• B. \(\frac{13}{66}\)
• C. \(\frac{8}{53}\)
• D. \(\frac{19}{66}\)