Many leaves are adapted to photosynthesise effectively by having:
2. Question | Mathematics
A circular hole with diameter 6 cm is cut
out of a circular piece of card with a
diameter of 12 cm. The area of the
remaining card, in cm2 , is
3. Question | Chemistry
To remove limescale from a tap you need:
4. Question | Mathematics
Items bought by a trader for $80 are sold for $100. The profit expressed as a percentage of cost price is
5. Question | Integrated Science
The density of seawater is:
6. Question | Biology
All of the following are possible consequences of global warming EXCEPT for:
7. Question | Social Studies
Which of the following characteristics MUST ALL formal groups possess?
1. Membership requirements
2. Code of conduct
3. Specific objectives
4. Elected leaders
8. Question | Biology
In an ecosystem a population is:
9. Question | Chemistry
Powders react faster than lumps because they have:
10. Question | Biology
Asexual reproduction produces:
11. Question | Mathematics
12. Question | Physics
The units of specific latent heat are:
13. Question | Chemistry
All of these are properties of carbon monoxide EXCEPT for:
14. Question | Chemistry
All of these are fractions from crude oil EXCEPT for:
15. Question | Chemistry
The monomer used to make poly (propene) is called:
16. Question | Physics
The specific heat capacity of a particular liquid is 3000 J kg-1 K-1. A large beaker containing
2 kg of the liquid has to be warmed from 25 ℃ to 35 ℃. A 100 W heater is used. If all the
thermal energy could be transferred to the liquid, how long would it take?
17. Question | English A
Instruction: Choose from the four options the word or pair of words which BEST completes the meaning of the sentence.
When parents display a ............ for one child, the others are likely to feel ............
18. Question | Integrated Science
When we sweat, we lose heat because:
19. Question | Chemistry
In an atom the neutron is found:
20. Question | Integrated Science
All gas exchange surfaces in vertebrate animals have: