When black copper oxide is heated with carbon, brown copper metal is produced, which means that compared to copper, carbon is the:
3. Question | Social Studies
Democratic control and open members are features of a
4. Question | Mathematics
Profits in the partnership of Bess, Bill and Bob are shared in the ratio 1 : 2 : 3. If Bill's share of the profits is $300, what is Bob's share?
5. Question | Physics
A girl whose weight is 250 N walks up a slope 40 m long onto a platform 3 m high.
Her gain in gravitational potential energy is:
6. Question | Chemistry
In an endothermic reaction:
7. Question | Physics
A current of 2 mA is flowing through a wire. How long will it take for 6 coulombs of charge to
pass?
8. Question | Mathematics
In the rectangle above, if ∠AEB = 80°, then
∠DAC =
9. Question | Chemistry
Herbicides are used to destroy:
10. Question | Chemistry
In an atom the neutron is found:
11. Question | Mathematics
The Item refer to the information below
The following scores were obtained by eleven
footballers in a goal-shoot competition:
The median score was
12. Question | Biology
Which one of the following chemicals is used to test for starch?
13. 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:
14. Question | Mathematics
The Item refer to the information below
The following scores were obtained by eleven
footballers in a goal-shoot competition:
The modal score was
15. Question | Mathematics
$x is divided among three boys, Ryan,
Keith and Andrew, in the ratio 2 : 3 : 7,
respectively.
If Andrew gets $15 more than Keith,
what is the value of x ?
16. Question | Integrated Science
Which of the following can cross the placenta from mother to fetus?
17. Question | Mathematics
Which of the following words BEST
describes a quadrilateral with all its sides
equal?
18. Question | Social Studies
POPULATION PYRAMID FOR COUNTRY X
Which of the following features of Country X may be gathered from the diagram above?
19. Question | Mathematics
A square has the same area as a rectangle with
sides of length 9 centimetres and 16 centimetres.
What is the length of the square?
20. Question | English A
Instructions: Choose from the four suggested answers the word which is closest to OPPOSITE in meaning to the underlined word.
She paid meticulous attention to her work as she attached the beads to the costume.