The specific heat capacity of a particular liquid is 3000 J kg-1 K-1. A large beaker containing
2 kg of the liquid has to be warmed from 25 ℃ to 35 ℃. A 100 W heater is used. If all the
thermal energy could be transferred to the liquid, how long would it take?
2. Question | Mathematics
If ƒ : x → x2 + 1, then ƒ(-3) is
3. Question | Integrated Science
All gas exchange surfaces in vertebrate animals have:
4. Question | English A
Instruction: Choose from the four options the word or pair of words which BEST completes the meaning of the sentence.
Despite his short-temper, his willingness to give of his wealth to help others to succeed led people to call him ............
5. Question | Mathematics
The table shows the distribution of the ages
of 25 students.
What is the probability that a student chosen
at random is AT LEAST 13 years old?
6. 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.
7. Question | Integrated Science
Excretion is best defined as:
8. Question | Chemistry
The alkane compound with seven carbon atoms is:
9. Question | Chemistry
When black copper oxide is heated with carbon, brown copper metal is produced, which means that compared to copper, carbon is the:
10. Question | Physics
Which one of the following statements about a voltmeter is NOT true?
11. Question | Chemistry
A salt that is anhydrous contains no:
12. Question | Information Technology
To which category of software does Microsoft Works belong?
13. Question | Principles Of Accounts
Which of the following are real accounts?
1. Furniture Account
2. Debtors Account
3. Capital Account
4. Motor Car Account
14. Question | Biology
The following diagram shows a model used to show how breathing movements take place:
Which part of the model represents the diaphragm?
15. Question | English A
Instructions: Choose the one NEAREST in MEANING to the original sentence.
No right thinking person who has lived in this country will fail to understand my disgust at noise.
16. Question | Physics
Which one of the following statements about diffraction is true?
17. Question | Social Studies
Which of the following would play an important part in a government′s efforts to increase consumption of locally produced food?
18. Question | Social Studies
Healthy individuals are beneficial to a country′s development because such individuals are likely to be
