When solid carbon dioxide turns straight into a gas we call it:
2. Question | Biology
Enzymes are called biological catalysts because they:
3. Question | Mathematics
A contractor completed five-ninths of a job before a second contractor completed an additional one-third. What fraction of the job is left undone?
4. Question | Social Studies
In which of the following countries is proportional representation practised?
5. Question | Mathematics
If x = 32 × 23, then x4 =
6. Question | Chemistry
The monomer used to make poly (propene) is called:
7. Question | Information Technology
Banks and other financial institutions utilize __________ technology that automatically verifies the identity of callers wishing to access their accounts.
8. Question | Biology
The site of reabsorption of MOST of the water from the filtrate.
9. Question | Physics
Two separate forces are acting on a bar to cause it to rotate clockwise. One force is 20 N, at a
distance of 3 m out from the pivot; the second force, 2 m further out, is 10 N. Their combined
moment is:
10. Question | Mathematics
What is the simple interest earned on $10 000 invested for 3 months at a rate of 5% per annum?
11. Question | Chemistry
All of these are alkenes EXCEPT for:
12. Question | Mathematics
Profits in the partnership of Bess, Bill and Bob are shared in the ratio 1 : 2 : 3. If Bill's share of the profits is $300, what is Bob's share?
13. Question | Physics
The existence of a neutral particle named the neutron was first confirmed experimentally by:
14. Question | English A
Choose the ONE underlined part A, B or C that is inappropriate. If the sentence is acceptable as it stands, choose D.
The better of the two athletes claim never to have used the dangerous drugs found in his possession.
15. Question | Social Studies
Which of the following may result if many people do what the young man in the picture is doing?
1. The rapid growth of cities 2. The growth of shanty towns and squatter settlements 3. The brain drain experienced by many developing countries 4. Inadequate housing, educational and health facilities in urban areas
16. Question | Integrated Science
The workplace should be:
17. Question | Biology
The following are all minerals EXCEPT for:
18. Question | Chemistry
Acid soils can be neutralised by adding:
19. Question | Chemistry
Cooking food improves all of these EXCEPT for:
20. Question | Information Technology
A(n) __________ printer is suitable for printing multi-part forms because they easily print through many layers of paper.