In hot conditions the surface blood vessels in the skin undergo vasodilation. This allows:
3. Question | Mathematics
$x is divided among three boys, Ryan,
Keith and Andrew, in the ratio 2 : 3 : 7,
respectively.
If Andrew gets $15 more than Keith,
what is the value of x ?
4. Question | Chemistry
The empirical formula, C6H12O6, gives the simplest ratio as:
5. Question | Integrated Science
Which of the following are all secondary sex characteristics in females?
6. Question | Biology
The main taxonomic groups in order, starting with the largest, are:
7. Question | Information Technology
A home computer system is equipped with a memory card reader, floppy disk drive, a DVD drive and an internal hard disk, The LEAST an MOST portable media that can be used with this computer are __________.
8. Question | Chemistry
The only common gas that turns moist red litmus paper blue is:
9. Question | Integrated Science
The particles in a liquid:
10. Question | Chemistry
All of these are fractions from crude oil EXCEPT for:
11. Question | Information Technology
All of the following are general purpose software EXCEPT __________.
12. Question | Physics
Which one of these four statements is NOT true?
13. Question | Chemistry
Adding mineral water to anhydrous copper sulphate turns it:
14. Question | Mathematics
The shaded area in the Venn diagram above
represents
15. Question | Chemistry
The metal used in food containers whose surface is protected by a strong oxide layer is:
16. Question | Physics
The following statements describe the molecules in a gas at around room temperature. Which
one is NOT true?
17. Question | Integrated Science
Water passes out of leaves through the:
18. Question | Mathematics
The expression a2 + b2 is equivalent to
19. Question | Chemistry
When solid carbon dioxide turns straight into a gas we call it:
20. Question | Chemistry
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: