A boy throws a cricket ball straight up in the air. At the very top of its flight:
3. Question | Chemistry
1 mole of gas occupies 24 litres at room temperature and pressure, so the number of moles in
72 litres is:
4. Question | Chemistry
At 20 ℃ all of the halogens are:
5. Question | Chemistry
Oxidation can include all of these EXCEPT for:
6. Question | Mathematics
In the rectangle above, if ∠AEB = 80°, then
∠DAC =
7. Question | Physics
The statements refer to a fuse. Which one is true?
8. Question | Mathematics
The interest rate on investments in a bank
decreased from 8 1/2 per cent per annum to 6
per cent per annum. The difference in annual
interest on a deposit of $2 000 is
9. Question | Biology
A cell in an embryo divides by mitosis three times in succession. How many cells will be formed
from these divisions?
10. Question | Information Technology
All of the following are general purpose software EXCEPT __________.
11. Question | Mathematics
The shaded area in the Venn diagram above
represents
12. Question | Information Technology
To which category of software does Microsoft Works belong?
13. Question | Biology
Which of the following substances contains the elements carbon, hydrogen, oxygen and
nitrogen?
Ⅰ DNA
Ⅱ carbohydrates
Ⅲ lipids
Ⅳ proteins
14. Question | Chemistry
All of these are carbohydrates EXCEPT for:
15. Question | Physics
The method by which certain uranium and plutonium nuclei can release energy in a reactor is
known as:
16. Question | Chemistry
To make fertilisers and explosives we need:
17. Question | Mathematics
The mean of ten numbers is 58. If one of the
numbers is 40, what is the mean of the other
nine?
18. Question | Biology
All of the following processes result in energy loss from an ecosystem EXCEPT for:
