1 mole of sodium carbonate weighs 106 g, so the number of moles in 318 g will be:
4. Question | Physics
A 10 V battery delivers a steady current of 2 A. How long will it be before 1.0 kJ of energy is
supplied to the circuit?
5. Question | Chemistry
When large molecules are broken down into smaller ones it is called:
6. Question | Chemistry
Transition metals have all of these properties EXCEPT for:
7. Question | Biology
The main site of action of ADH (antidiuretic hormone).
8. Question | Chemistry
At 20 ℃ all of the halogens are:
9. Question | Chemistry
More collisions between particles are likely to happen if a solution is made:
10. Question | Principles Of Accounts
In the Trading Account Returns Outwards is deducted from
11. Question | Chemistry
Raising the temperature of a reversible reaction always encourages the:
12. Question | Principles Of Accounts
The ABC Company deposited a Cheque received from Mr. Murray for $300.00. How must this transaction be recorded in ABC′s book?
1. Credit the Cash Book $300
2. Credit Murray′s Account
3. Debit the Bank Account
4. Debit the Cash Account
13. Question | Information Technology
The system used by mission control in Houston, Texas to monitor the operation of space exploration vehicles is an example of the __________ processing mode.
14. Question | Mathematics
In the circle above, the circumference is 20
cm. The length of the arc AB, in centimetres,
is
15. Question | Biology
A cell in an embryo divides by mitosis three times in succession. How many cells will be formed
from these divisions?
16. Question | Mathematics
A circular hole with diameter 4 cm is cut
out of a circular piece of card with a
diameter of 16 cm. The area of the
remaining card, in cm2 , is
17. Question | Integrated Science
Which statement is not true of sperm and ova?
18. Question | Mathematics
In a box, there are 3 white, 4 red and 2 blue
marbles. What is the probability that a
marble taken at random is NOT blue?
19. Question | Biology
Oxygen is carried around the body by the:
20. Question | Information Technology
Arrange the following secondary storage devices in order of increasing capacity from smallest to largest: a 1GB memory card, CD-ROM, DVD and a 128 MB flash drive.