When zinc metal is added to copper sulphate solution the products are copper and zinc sulphate solution, so the material that has been displaced must be:
2. Question | Information Technology
The system used by mission control in Houston, Texas to monitor the operation of space exploration vehicles is an example of the __________ processing mode.
3. Question | Information Technology
Arrange the following secondary storage devices in order of increasing capacity from smallest to largest: a 1GB memory card, CD-ROM, DVD and a 128 MB flash drive.
4. Question | Physics
Which one of the following statements about an ammeter is NOT true?
5. Question | Chemistry
Quantity of electricity in coulombs = current in amps multiplied by:
6. Question | Chemistry
The charge on a sodium ion is always:
7. Question | Integrated Science
When focussing on distant objects:
8. Question | Physics
The air temperature on a particular day is 27 ℃. An air bubble trapped in a tube by a thread of
liquid is able to expand freely if it is heated.At what temperature would you expect the volume
of the air bubble to double?
9. Question | Biology
Which of the following routes taken by blood in the body is correct?
10. Question | Principles Of Accounts
Which of the following transactions should be debited in the Cash Account?
11. Question | Mathematics
The interest rate on investments in a bank
increased from 5 per cent per annum to 6 1/2
per cent per annum. The difference in annual
interest on a deposit of $4000 is
12. Question | Chemistry
In terms of mass, compared to a proton, an electron:
13. Question | English A
Instructions: Choose from the four suggested answers the word which is closest to OPPOSITE in meaning to the underlined word.
She paid meticulous attention to her work as she attached the beads to the costume.
14. Question | Biology
An example of an air pollutant is:
15. Question | Mathematics
2p2 -15p + 25 =
16. Question | Integrated Science
The correct equation for photosynthesis is:
17. Question | Chemistry
All of these are carbohydrates EXCEPT for:
18. Question | Integrated Science
Which of the following are all deficiency diseases?
19. Question | Biology
Which of the following are advantages of asexual reproduction in a flowering plant?
Ⅰ Large numbers of offspring are rapidly produced.
Ⅱ Favourable genotypes are maintained from one generation to the next.
Ⅲ The plant does not need to rely on wind or insects for pollination.
Ⅳ Several identical individuals grow close together.
