This question refers to the triangle PQR in
which angle QPR = 90°, PR = 12 cm and
PQ = 5 cm.
The length of QR, in cm, is
2. Question | Integrated Science
When testing a leaf for the presence of starch, the correct sequence of procedures is:
3. Question | Chemistry
With iodine, starch changes colour to:
4. Question | Chemistry
You never find native magnesium because:
5. Question | Physics
The air temperature on a particular day is 27 ℃. An air bubble trapped in a tube by a thread of
liquid is able to expand freely if it is heated.At what temperature would you expect the volume
of the air bubble to double?
6. Question | Chemistry
The Haber Process is used to make:
7. Question | Chemistry
The alcohol in beer and spirits is called:
8. Question | Biology
Which of the following routes taken by blood in the body is correct?
9. Question | Physics
An electron, with its charge of 1.6 × 10-19 C, is moved from one place at +8 V to a different
place which is at 0 V.The energy released will be:
10. Question | Mathematics
The width of a block of wood with
rectangular cross-section is x cm. Its height
is 2/3 its width and its length is 4 times its
height. What is its volume in cm3?
11. Question | Chemistry
The halogens are found in:
12. Question | Mathematics
The number 0.0417 in standard form is
13. Question | Biology
When a person who has diabetes injects himself with insulin it:
14. Question | Chemistry
The electrical charges on a proton and an electron are:
15. Question | Chemistry
All of these are carbohydrates EXCEPT for:
16. Question | Biology
Decomposers are important in the process of decay because:
17. Question | English A
Instructions: Choose from the four suggested answers the word which is closest to OPPOSITE in meaning to the underlined word.
The headgear worn by the factory worker is made from artificial material.
18. Question | Chemistry
If a flask containing marble and acid is placed on a balance, the mass decreases steadily with time, which means that:
19. Question | Chemistry
In an endothermic reaction:
20. Question | Biology
In a plant, water and dissolved minerals are transported in the: