In the equation, carbon monoxide + oxygen → carbon dioxide, a reactant is:
2. 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:
3. Question | Mathematics
Which of the following relations is
represented by the graph shown above?
4. Question | Chemistry
When metals react with acids they give a salt and:
5. Question | Information Technology
Devices that capture data directly from a source document include all of the following items EXCEPT __________.
6. Question | Biology
Vaccination causes a person′s immune system to produce:
7. Question | Chemistry
The following are all natural materials EXCEPT for:
8. Question | Information Technology
To which category of software does Microsoft Works belong?
9. Question | Chemistry
1 mole of gas occupies 24 litres at room temperature and pressure, so the number of moles in
72 litres is:
10. Question | Mathematics
11. Question | Social Studies
Which of the following social issues are associated with the use of illegal drugs by adolescents?
1. Criminal activity
2. Indiscipline
3. Early marriage
4. Poverty
12. Question | Chemistry
When two solutions are mixed and give a solid product we call it:
13. Question | Biology
In order to carry out photosynthesis, a plant needs:
14. Question | Mathematics
The decimal equivalent of 7/8 is
15. Question | English A
Instruction: Choose from the four options the word or pair of words which BEST completes the meaning of the sentence.
Despite his short-temper, his willingness to give of his wealth to help others to succeed led people to call him ............
16. Question | Mathematics
17. Question | Mathematics
In the rectangle above, if ∠AEB = 80°, then
∠DAC =
18. Question | English A
Instruction: Choose from the four options the word or pair of words which BEST completes the meaning of the sentence.
While the committee members ............ insults across the floor, the chairman tried in vain to ............ order.
19. Question | Integrated Science
Veins have valves because
20. Question | Chemistry
When dilute sulphuric acid is electrolysed the two gases produced are hydrogen and: