Reactive metals such as potassium react with water to give hydrogen and:
2. Question | Biology
Which one of the following diagrams illustrates short-sightedness?
(F = Focal point)
3. Question | Integrated Science
Which of the following properties of water is not important to the survival of living things?
4. Question | Social Studies
Natural Increase in Population
The natural increase in population for country X in 2006 was
5. Question | Chemistry
The state symbol for a solution in water is:
6. Question | Chemistry
When metals react with acids they give a salt and:
7. Question | Biology
Which one of the following is a biological component of a pond ecosystem?
8. Question | Information Technology
Which of the following devices are MOST LIKELY to be used at an airport for border control activities?
9. Question | Chemistry
In the reactivity series of metals the order is: sodium, calcium, magnesium, aluminium, which means that the most reactive metal is:
10. Question | Social Studies
Which of the following would DISCOURAGE emigration?
11. Question | Integrated Science
Hormonal methods of contraception work by:
12. Question | Chemistry
The halogens are found in:
13. Question | Chemistry
Cooking food improves all of these EXCEPT for:
14. Question | Chemistry
To make fertilisers and explosives we need:
15. Question | Mathematics
Three lights flash at intervals of 2, 6 and 14
seconds respectively. They are started
together. How soon after will they next flash
together again?
16. Question | Integrated Science
When we are too hot, more blood flows through the capillaries near the surface of the skin. This helps us to cool down because the blood loses heat by:
17. Question | Biology
The following are all minerals EXCEPT for:
18. Question | Physics
A certain nucleus has 12 protons and 16 neutrons.Which one of the following statements about
the nucleus is NOT true?
19. Question | Integrated Science
Three factors that increase the risk of coronary heart disease are:
20. Question | Integrated Science
Which one of the following comparisons of inhaled and exhaled air is correct?