Past Questions And Answers
10531
A solution of sodium trioxocarbonate (IV) contains 10.6g in 250cm3 of solution. Calculate the concentration of the solution. [Na2CO3= 106.0]
- A. 0.4 mol dm-3
- B. 1.0 mol dm-3
- C. 10.6 mol dm-3
- D. 25.0 mol dm-3
10532
A semiconductor is formed by?
- A. co-ordinate bonds
- B. electrovalent bonds
- C. a substance free of bonds
- D. covalent bonds
10533
The period between the advent of Islam in Arabia is referred to as Jahiliyyah because Arabia
- A. was surrounded by water in the West and South
- B. had no inspired Prophet and revelation
- C. was divided into three physical zones
- D. had desert border lines
10534
An agreement that is enforceable in law is ________?
- A. a contract
- B. an offer
- C. an acceptance
- D. a consideration
10535
A mixture of sand, ammonium chloride and sodium chloride is best separated by?
- A. sublimation followed by addition of water and filteration
- B. sublimation followed by addition of water and evaporation
- C. addition of water followed by filtration and sublimation
- D. addition of water followed by crystallization and sublimation
10536
Migrant-receiving areas tend to be characterized by?
- A. equal sex ratio
- B. high per capita income
- C. the predominance of males
- D. extensive industrial development
10537
The insurance principle which expects the insured and the insurer to disclose all facts about a proposed contract is called
- A. uberrimae fidei
- B. indemnity
- C. proximate cause
- D. insurable interest
10538
Which of the following is a product of volcanicity?
- A. Plug dome
- B. Ocean trench
- C. Fold mountain
- D. Rift valley lake
10539
What is the etiquette one should follow while working online?
- A. Anything goes providing he/she remains anonymous
- B. Netflix
- C. Netiquette
- D. Piracy
10540
Plateaux formed together with fold mountains are best described as
- A. dissected
- B. tactonic
- C. intermoutau
- D. piedmout

