Past Questions And Answers
The number of people who are qualified to work and who offer themselves for employment are called
- A. migrant labour
- B. working population
- C. labour turnover
- D. mobility of labour
The ultimate aim of political parties is to
- A. increase the political awareness of the electorate
- B. formulate and implement policies
- C. implement people-oriented programmes
- D. acquire and exercise power
A greater percentage of the population in Nigeria are engaged in?
- A. public service
- B. commercial farming
- C. trading
- D. subsistence farming
Which of the following is applicable to foreign trade only?
- A. Pro forma invoice
- B. insurance policy
- C. Order
- D. Consular invoice
Pennisetum purpureum is the botanical name for
- A. gamba grass
- B. carpet grass
- C. bahama grass
- D. elephant grass
The interval from the beginning of one heat period to the another is known as
- A. gestation period
- B. fertilization
- C. incubation period
- D. oestrus cycle
A major contentious issue confronting the Nigerian Federalism is
- A. poverty
- B. health care delivery
- C. education
- D. revenue allocation
Sunan is to Aba Dawditas, jami is to
- A. Bukhari
- B. Muslim
- C. Timidhi
- D. ibn majah
(a) (i) Define saturated solution.
(ii) Tha solubility of KNO\(_3\) at 20°C was 3.00 mol dm\(^{-3}\) If 67.0g of KNO\(_3\) was added to 250 cm\(^{-3}\) of water and stirred at 20°C, determine whether the solution formed was saturated or not at that temperature. [ KNO\(_3\) = 101.0 ]
(b) (i) Distinguish between dative bond and covalent bond.
(ii) Explain why sugar and common salt do not conduct electricity in the solid state.
(iii) State the type of intermolecular forces present in: I. hydrogen fluoride; II argon.
(iv) Consider the compounds with the following structures. S - H ---- N and O - H ---- N In which of the compounds is the hydrogen bond stronger? Give reason for your answer.
(c) (i) State Dalton's Law of Partial Pressure.
(ii) If 200cm of carbon (IV) oxide were collected over water at 18°C and 700 mmHg, determine the volume of the dry gas at s.t.p. [ standard vapour pressure of water at 18°C = 15 mmHg]
View Discussion (0)WAEC 2010 THEORYWhich of the following metals can be prepared in samples by the thermal decomposition of their trioxonitrate (V) salts?
- A. Copper and mercury
- B. Silver and copper
- C. Mercury and silver
- D. Magnesium and mercury