Past Questions And Answers
The ownership of a public limited liability company is made up of
- A. two to twenty persons B. minimum of two and maximum of fifty C. minimum of seven and no maximum number D. owner owned by the government
- B. minimum of two and maximum of fifty
- C. minimum of seven and no maximum number
- D. owner owned by the government
In the theatre, words spoken by a character that are meant to be heard by the audience but not by the other characters on stage is called_________?
- A. aside
- B. soliloquy
- C. acoustic
- D. tone
Where is energy produced in the cell?
- A) nucleus
- B) nucleolus
- C) lysosome
- D) mitochondria
The bearings of P and Q from a common point N are 020° and 300° respectively. If P and Q are also equidistant from N, find the bearing of P from Q.
- A. 040°
- B. 070°
- C. 280°
- D. 320°
According to the Gospels, what was the profession of Peter and Andrew before becoming disciples of Jesus?
- A. Tentmakers
- B. Tax collectors
- C. Shepherds
- D. Fishermen
A body of mass 10kg moving with a velocity of 5\(ms^{-1}\) collides with another body of mass 15kg moving in the same direction as the first with a velocity of 2\(ms^{-1}\). After collision, the two bodies move together with a common velocity v\(ms^{-1}\).
- A. 3.2
- B. 5.3
- C. 7.0
- D. 8.0
2-methylprop-1-ene is an isomer of
- A. but-2-ene
- B. pent-1-ene
- C. 2-methylbut-2-ene
- D. 2-methylbut-1-ene
Which of the following gases will diffuse fastest when passed through a porous plug? [H = 1, C = 12, N = 14, O = 16]
- A. Propane
- B. Oxygen
- C. Methane
- D. Ammonia
Calculate the mass of chlorine gas which occupies a volume of 1.12dm3 at s.t.p [Cl = 35.5, molar volume of gas at s.t.p = 22.4 dm3
- A. 15.50 g
- B. 7.10 g
- C. 3.55 g
- D. 1.80 g
(a)(i) State two advantages of alcohol over mercury as a thermometric liquid.
(ii) When the bulb of a thermometer is placed in a beaker of hot water, the level of the mercury first falls and then rises gradually. Explain this observation.
(b) List two factors, other than temperature, that affect the rate of evaporation of a liquid.
(b) A block of lead of mass 100 kg in a crucible and at a temperature of 40 °C was placed in an electric furnace rated 10 kW. If the melting point of lead is 320 °C, calculate the:
(i) quantity of heat required to heat the lead to its melting point;
(ii) additional heat energy required to melt the lead;
(iii) time taken to supply this additional energy. (Specific heat capacity of lead = 120 Jkg\(^{-1}\) K\(^{-1}\) (Specific Idtent heat of fusion lead = 2.5 x 10\(^{4} JK^{-1}\))
(d) State two precautions necessary in an experiment to determine the specific latent heat of vaporization of water.
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