How many subsets does the set {a, b, c, d, e} have?
2. Question | Chemistry
In the reactivity series of metals the order is: sodium, calcium, magnesium, aluminium, which means that the most reactive metal is:
3. Question | English A
Instructions: Select the option A, B, C or D that BEST describe the sentence.
Traffic bottlenecks must be ironed out if we are to prevent giant traffic congestion.
4. Question | Chemistry
A reaction that gives out heat is said to be:
5. Question | Chemistry
When gas particles spread out we call it:
6. Question | Integrated Science
Overfishing means:
7. Question | Mathematics
Which of the following relations is
represented by the graph shown above?
8. Question | Biology
Which one of the following is NOT a harmful effect of smoking?
9. Question | Integrated Science
The particles in a liquid:
10. Question | Biology
An enzyme which has an optimum pH of 3 will function best in the:
11. Question | Integrated Science
Measuring plant growth by measuring height is convenient, but inaccurate because:
12. Question | Physics
Which one of the following statements about constructive interference is NOT true?
13. Question | Chemistry
Iron chloride can be prepared from the reaction of iron and:
14. Question | Mathematics
The water authority charges $20.00 per
month for the meter rent, $2.00 for the first
1 000 litres and $0.20 for each additional
100 litres. What is the total bill for 2400
litres used in one month?
15. Question | Physics
Which one of the following statements about diffraction is true?
16. Question | Information Technology
Large-scale applications sometimes refer to a graphic tablet as a __________.
17. Question | Physics
Which one of the following is NOT a vector quantity?
18. Question | Social Studies
THE ITEM is based on the following extract.
Unemployment and hard economic conditions have forced both parents in some Caribbean families to migrate, leaving an elder son or daughter to care for the younger brothers and sisters.
Which of the following problem is LEAST likely to affect the younger brothers and sisters?
19. Question | Chemistry
The number of particles in a mole of any gas is always: