75 g of freshly dug soil was placed in an oven at 105 ℃ for 24 hours. It was allowed to cool, then reweighed. If the final mass of the dry soil was 66 g, what was the % water content of the original soil sample?
2. Question | Mathematics
What is the simple interest earned on $10 000 invested for 3 months at a rate of 5% per annum?
3. Question | Biology
All of the following have endoskeletons EXCEPT for:
4. Question | Biology
A relationship between two organisms where one organism derives benefits from the
relationship and the other organism derives no benefit, but is not harmed, is called:
5. Question | Chemistry
A salt that contains water of crystallisation is:
6. Question | Information Technology
A(n) __________ printer is suitable for printing multi-part forms because they easily print through many layers of paper.
7. Question | Mathematics
The mean of ten numbers is 58. If one of the
numbers is 40, what is the mean of the other
nine?
8. Question | Information Technology
A __________ is a sub-division of a track that stores data on a disk.
9. Question | Principles Of Accounts
A and B had a partnership and shared profits and losses 2/3 and 1/3 respectively. They admitted C to the partnership. In addition to capital, C had to pay goodwill $3,600. How much did A and B receive as their respective share of Goodwill?
10. Question | Chemistry
Oxidation can include all of these EXCEPT for:
11. Question | Information Technology
The speed of an ink-jet printer is measured by the number of __________ it can print.
12. Question | English A
Instruction: Choose from the four options the word or pair of words which BEST completes the meaning of the sentence.
When parents display a ............ for one child, the others are likely to feel ............
13. Question | Physics
Which one of the following statements about light passing down an optical glass fibre is NOT
true?
14. Question | Social Studies
Which of the following may result if many people do what the young man in the picture is doing?
1. The rapid growth of cities 2. The growth of shanty towns and squatter settlements 3. The brain drain experienced by many developing countries 4. Inadequate housing, educational and health facilities in urban areas
15. Question | Mathematics
In the figure above, for which point is the
x-coordinate positive and the
y-coordinate negative?
16. Question | Mathematics
The range of values of v when
5 - v ≤ 2v - 1 is
17. Question | Chemistry
The halogen used to make bleach is called:
18. Question | Integrated Science
Which of the following are all secondary sex characteristics in females?
19. Question | Information Technology
All the following are examples of hardware interfaces EXCEPT __________.
20. Question | Chemistry
The two common varieties of chlorine atoms are called:
