Reactive metals such as potassium react with water to give hydrogen and:
2. Question | Chemistry
Alcohol can be separated from beer using:
3. Question | Social Studies
Which of the following would play an important part in a government′s efforts to increase consumption of locally produced food?
4. Question | Mathematics
In a school of 910 pupils, 3/7 are boys and 2/5 of the boys wear glasses. How many
boys wear glasses?
5. Question | Mathematics
The interest rate on investments in a bank
decreased from 8 1/2 per cent per annum to 6
per cent per annum. The difference in annual
interest on a deposit of $2 000 is
6. Question | Mathematics
How many grams are in 2 kilograms?
7. Question | Biology
The site of reabsorption of MOST of the water from the filtrate.
8. Question | Mathematics
The average of a set of numbers reduces from 14 to 11 when the number 35 is removed. How many numbers were in the original set?
9. Question | Physics
When a metal wire carries an electric current, charges flow through it.The moving charges are:
10. Question | Chemistry
We use expanded polystyrene cups for heat of reaction experiments because the cups are:
11. Question | Chemistry
The rate of reaction between marble and hydrochloric acid can be speeded up by using:
12. Question | Physics
Sweating can help to cool the body. This cooling is achieved mainly by:
13. Question | Integrated Science
Which one of the following comparisons of inhaled and exhaled air is correct?
14. Question | Information Technology
__________ enables users to convert the image from a fax modem to text and then edit it.
15. Question | Chemistry
Biological catalysts in yeast are called:
16. Question | Biology
The animals shown in the diagram were
identified using a dichotomous key based
on the visible characteristics listed
below:
Ⅰ body shape
Ⅱ number of legs
Ⅲ number of wings
Ⅳ number of eyes
Ⅴ number of antennae
Which characteristics could be used to
divide the animals into two groups?
17. Question | Information Technology
All the following are examples of hardware interfaces EXCEPT __________.
18. Question | Chemistry
All of these are compounds EXCEPT for:
19. Question | Chemistry
In making bread the enzymes in yeast break down starch to give:
20. Question | Social Studies
Which of the following is the MAIN reason for conflict in trade sometimes arising between CARICOM countries?