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 | Integrated Science
Which one of the following pairs of definitions is correct?
3. Question | Integrated Science
Some foods contain flavour enhancers. These food additives:
4. Question | Biology
Oxygen is carried around the body by the:
5. Question | Chemistry
The energy used in thermal decomposition is:
6. Question | Mathematics
How many grams are in 2.5 kilograms?
7. Question | Integrated Science
Atherosclerosis is a process in which:
8. Question | Mathematics
8x - 4(x - 5) =
9. Question | Information Technology
A __________ is the smallest addressable unit on a disk
10. Question | English A
Choose the ONE underlined part A, B or C that is inappropriate. If the sentence is acceptable as it stands, choose D.
I formed the brilliant idea of climbing the fence and to hang from the top of the rail until the bull went away.
11. Question | Information Technology
The speed of an ink-jet printer is measured by the number of __________ it can print.
12. Question | Chemistry
The alcohol in beer and spirits is called:
13. Question | Biology
In a food chain a plant is a producer because it produces:
14. Question | English A
Choose the ONE underlined part A, B or C that is inappropriate. If the sentence is acceptable as it stands, choose D.
There is hardly a point to our knocking as no one is not at home.
15. Question | Integrated Science
The density of seawater is:
16. Question | Biology
A collection of several tissues which carry out a particular function is called:
17. Question | Chemistry
Oxidation can include all of these EXCEPT for:
18. Question | Integrated Science
Breathing in fish involves which two processes?
19. Question | Principles Of Accounts
The gross profit of a firm is $3,600, bad debts $100, rent paid $120, rent prepaid $20, general expenses $80 and discount received $110. The net profit is
20. Question | Chemistry
All of the following have a charge of -1 EXCEPT for: