The two common varieties of chlorine atoms are called:
2. Question | Physics
The nucleus of a carbon atom has six protons and eight neutrons.Which one of the following describes it?
3. Question | Physics
A current of 2 mA is flowing through a wire. How long will it take for 6 coulombs of charge to
pass?
4. Question | Chemistry
All of these materials are used in a blast furnace EXCEPT for:
5. Question | Biology
A collection of several tissues which carry out a particular function is called:
6. Question | Social Studies
Which of the following is based on exploiting non-renewable natural resources?
7. Question | Integrated Science
Tooth decay can be caused by:
8. Question | Mathematics
If x is an odd number, which of the following
is also odd?
9. Question | Integrated Science
Water reabsorption is controlled by:
10. Question | Mathematics
0.045 × 10-3 in scientific notation is
11. Question | Social Studies
Natural Increase in Population
The natural increase in population for country X in 2006 was
12. Question | Biology
Decomposers are important in the process of decay because:
13. Question | Chemistry
Dividing the mass in grams by the mass of 1 mole in grams gives:
14. Question | Biology
In pea plant size, tall is dominant to dwarf.You cannot tell whether a tall plant is homozygous
(TT) or heterozygous (Tt).To find its genotype you perform a test cross.This involves:
15. Question | Biology
The correct pathway of water through a plant is:
16. Question | Mathematics
Which of the following is a prime number?
17. Question | Integrated Science
Which of the following can cross the placenta from mother to fetus?
18. Question | Mathematics
The value of 5 in the number 357.21 is
19. 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:
20. Question | Biology
The chemicals that make up the bodies of animals and plants are called: