Past Questions And Answers
If the atomic number of an element X is 11 and that of nitrogen is 7, the most likely formula of the nitride of X is
- A. X3N
- B. XN3
- C. X3N2
- D. N2X
Who among the seven deacons was an evangelist who had four daughters who prophesied?
- A) Stephen
- B) Philip
- C) Barnabas
- D) Nicholas
A decrease in atomic size and an increase in nuclear charge across a period lead to
- A. an increase in the tendency to lose electron
- B. an increase in chemical reactivity
- C. a decrease in electropositivity
- D. a decrease in covalency in bond formation
Asa removed the abominable image his mother made for Asherah and burnt it at
- A. the brook cherith
- B. the brook kidron
- C. Ramah
- D. Tirzah
Simplify \(\left(\frac{16}{81}\right)^{-\frac{3}{4}}\times \sqrt{\frac{100}{81}}\)
- A. \(\frac{80}{243}\)
- B. \(\frac{1}{64}\)
- C. \(\frac{25}{6}\)
- D. \(\frac{15}{4}\)
If tan θ =5/4, find sin2θ - cos2θ
- A.5/4
- B.41/9
- C.9/41
- D. 1
Write notes on the folowing:
*Khul *Faskh *Mubara'ah *Li'an
View Discussion (0)WAEC 2012 THEORYEnumerate four possible solutions to each of the following problems of agricultural development in your country (a) Poor transportation (b) inadequate farm inpouts (c) crude tools (d) inadequate storage facilities
View Discussion (0)WAEC 1999 THEORYWhich of the following is used to measure relative humidity?
- A. hydrometer
- B. barometer
- C. hypsometer
- D. hygrometer
(a) Match each of the following computing devices.
COMPUTER DEVICES | USES |
EDVAC | Electronic general-purpose computer programmed to perform complex sequences of operation. |
ENIAC | Electronic digital stored-program computer intended for the bureau of census and later for presidential election. |
UNIVAC | Electronic computer, binary in nature with automatic addition, subtraction multiplication and programmed division. |

