The active catalyst in a car′s catalytic converter is:
3. Question | Chemistry
The two common varieties of chlorine atoms are called:
4. Question | Physics
Two resistors, one of 4 Ω and one of 6 Ω, are connected in parallel.Their combined resistance is:
5. Question | Information Technology
All of the following are general purpose software EXCEPT __________.
6. Question | Chemistry
We use expanded polystyrene cups for heat of reaction experiments because the cups are:
7. Question | Mathematics
Which of the following represents numbers greater than -3 but less than 6 ?
8. Question | Social Studies
THE ITEM refers to the following illustration.
The pattern where many persons make the same decision as the young man in the picture is refered to as
9. Question | Social Studies
What is the BEST option available to persons who are qualified but cannot find a job?
10. Question | Chemistry
When black copper oxide is heated with carbon, brown copper metal is produced, which means that compared to copper, carbon is the:
11. Question | English A
Choose the ONE underlined part A, B or C that is inappropriate. If the sentence is acceptable as it stands, choose D.
I formed the brilliant idea of climbing the fence and to hang from the top of the rail until the bull went away.
12. Question | Biology
A student observed a plant cell through a microscope and made an accurate drawing of the cell.
If her drawing was 80 mm in diameter and had a magnification of ×2000, what was the real
diameter of the cell?
13. Question | Physics
A ripple travels over the surface of some water. Its wavelength is 2 m, its amplitude is 0.1 m and
its frequency is 0.5 Hz.The speed of the ripple is:
14. Question | Chemistry
The group of elements whose molecules and atoms are the same is called:
15. Question | Chemistry
Transition metals have all of these properties EXCEPT for:
16. Question | Social Studies
A man and woman plan to start a family. Which of the following is likely to be LEAST important to them?
17. Question | Social Studies
Which of the following does NOT contribute to unemployment?
18. Question | English A
Choose the ONE underlined part A, B or C that is inappropriate. If the sentence is acceptable as it stands, choose D.
As the teacher continued his lesson, John began to lose all interest, imagining himself laying on his bed relaxing.
19. Question | Mathematics
In the rectangle above, if ∠AEB = 80°, then
∠DAC =
20. Question | Biology
Plant stems grow towards a light source.This is an example of: