1 mole of sodium carbonate weighs 106 g, so the number of moles in 318 g will be:
2. Question | Physics
A boy throws a cricket ball straight up in the air. At the very top of its flight:
3. Question | Mathematics
How much simple interest is due on a loan
of $240 for two years if the annual rate of
interest is 4 per cent?
4. Question | Chemistry
Adding mineral water to anhydrous copper sulphate turns it:
5. Question | Information Technology
What unit measurement is used to express the speed of memory?
6. Question | Mathematics
In the diagram, B is due north of A; C is east
of B, and AB = BC.
7. Question | Chemistry
The type of bonding that involves loss or gain of electrons is called:
8. Question | Chemistry
To make cell walls, plants must have:
9. Question | Biology
Malaria is spread by:
10. Question | Mathematics
-7 - (-3) =
11. Question | Chemistry
Quantity of electricity in coulombs = current in amps multiplied by:
12. Question | Social Studies
Which of the following types of households in the Caribbean is MOST closely associated with ancestors who came from India?
13. Question | Chemistry
The voltages from the electrochemical series are -2.92 for potassium and +0.34 for copper, which shows that:
14. Question | Information Technology
Which device has internal storage in the form of a buffer?
15. 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?
16. Question | Information Technology
Which of the following acronyms represents a computer bus primarily designed for the transfer of data between a computer system and a mass storage device?
17. Question | Chemistry
The following are all natural materials EXCEPT for:
18. Question | Mathematics
A rectangular tank is 50 cm long, 50 cm wide
and 10 cm deep.
The volume of liquid it will hold is
19. Question | Information Technology
Which of the following items is not a component of a graphical user interface?
20. Question | Chemistry
The number of electrons in a full electron shell is:
