The existence of a neutral particle named the neutron was first confirmed experimentally by:
2. Question | Chemistry
Alcohol can be made by fermentation of all these EXCEPT for:
3. Question | Biology
Most plant and animal cells contain:
4. Question | Chemistry
Which one of the following gases is considerably heavier than air?
5. Question | Biology
Enzymes are called biological catalysts because they:
6. Question | Chemistry
The rate of reaction between marble and hydrochloric acid can be speeded up by using:
7. Question | Chemistry
The alcohol in beer and spirits is called:
8. Question | Mathematics
The shaded area in the Venn diagram above
represents
9. Question | Chemistry
When two solutions are mixed and give a solid product we call it:
10. Question | Mathematics
A shopkeeper buys 24 CD players for a
wholesale price of $1800. At what price per
CD player must she sell to make a profit of
10% on her cost?
11. Question | Biology
A lack of vitamin D in the diet causes:
12. Question | Biology
The white blood cells that produce antibodies are called:
13. Question | Mathematics
Which of the following words BEST
describes a triangle with all its sides equal?
14. 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
15. Question | Integrated Science
The density of seawater is:
16. Question | Chemistry
The catalyst in the Haber Process is:
17. Question | Mathematics
3 4/5 expressed as a decimal is
18. Question | Mathematics
Which of the following represents numbers greater than -3 but less than 6 ?
19. Question | Mathematics
The shaded area in the Venn diagram above
represents
20. Question | Mathematics
In the circle above, the circumference is
10 cm. The length of the arc AB, in
centimetres, is