If a reaction takes 50 seconds at 25 ℃, then at 50 ℃ the time for the reaction in seconds is likely to be about:
2. Question | Chemistry
If the relative atomic mass (RAM) = 1 for hydrogen and 16 for oxygen, the formula mass for
H2O2 is:
3. Question | Biology
The correct pathway of water through a plant is:
4. Question | Information Technology
All of the following items are widely used input devices EXCEPT the __________.
5. Question | Principles Of Accounts
Which of the following groups indicates examples of current assets?
6. Question | Mathematics
The expression (3x - 2)(x + 1) =
7. Question | Biology
Which of the following statements about diffusion is NOT true?
8. Question | Chemistry
Hydrocarbons contain carbon and:
9. Question | Integrated Science
Absolute zero is:
10. Question | Chemistry
To work out the heat change in a reaction we need to know just three things, the mass, the temperature change and the:
11. Question | Chemistry
Candied fruits are preserved in a strong solution of:
12. Question | Chemistry
Food can be preserved in all of these ways EXCEPT for:
13. Question | Principles Of Accounts
Another name for authorised capital is
14. Question | Biology
Which one of the following diagrams illustrates short-sightedness?
(F = Focal point)
15. Question | Social Studies
Which of the following BEST explains why birth rates have been falling in some Caribbean countries?
16. Question | Integrated Science
Breathing in fish involves which two processes?
17. Question | Biology
The wall of the left ventricle is thicker than that of the right ventricle because:
18. Question | Mathematics
The water authority charges $20.00 per
month for the meter rent, $2.00 for the first
1 000 litres and $0.20 for each additional
100 litres. What is the total bill for 2400
litres used in one month?
19. Question | Mathematics
3x - 4(x + 6) =
20. Question | Biology
Which one of the following is NOT a harmful effect of smoking?