The monomer used to make poly (propene) is called:
2. Question | Chemistry
We use expanded polystyrene cups for heat of reaction experiments because the cups are:
3. Question | Mathematics
Three lights flash at intervals of 4, 6 and 10
seconds respectively. They are started
together. How soon after will they next flash
together again?
4. Question | Chemistry
One Faraday represents:
5. Question | Information Technology
The term __________ designates equipment that might be added to a computer system to enhance its functionality.
6. Question | Physics
A force of 100 N starts to act on a body of mass 20 kg which is initially at rest. After 10 s its
velocity will be:
7. Question | Information Technology
All of the following devices are commonly used non-impact printers EXCEPT __________.
8. Question | Information Technology
A(n) __________ printer is suitable for printing multi-part forms because they easily print through many layers of paper.
9. Question | Chemistry
Ammonia gas spreads out faster than hydrogen chloride, showing that it is:
10. Question | Integrated Science
Which one of the following comparisons of inhaled and exhaled air is correct?
11. Question | Biology
Water is lost from the body in:
12. Question | Mathematics
The decimal equivalent of 3/8 is
13. Question | Chemistry
Any solution with a pH below 7 must be:
14. 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?
15. Question | Mathematics
The shaded area in the Venn diagram above
represents
16. Question | Information Technology
Automated directory assistance services utilize __________ technology for accepting user input.
17. Question | Mathematics
When rotated through 90° about the origin
in a clockwise direction, the
image of the point (3, 1) is
18. Question | Mathematics
The triangle ABC above shows the angle of
elevation of the top, B,
of a tower, BC, from A, to be 30°.
AB = 40 m. The length of BC is
19. Question | Principles Of Accounts
The following figures are taken from a manufacturing account.
The cost of tie year's production of finished goods is
20. Question | Biology
Which one of the following is NOT an inherited disorder?