Powders react faster than lumps because they have:
2. Question | Chemistry
When black copper oxide is heated with carbon, brown copper metal is produced, which means that compared to copper, carbon is the:
3. Question | Principles Of Accounts
Which of the following groups indicates examples of current assets?
4. Question | Information Technology
__________ is a type of chip from which data can be erased by exposure to ultraviolet light.
5. Question | Physics
Which one of the following statements about light passing down an optical glass fibre is NOT
true?
6. Question | Chemistry
Alcohol can be separated from beer using:
7. Question | Biology
A lack of vitamin D in the diet causes:
8. Question | Chemistry
All of these are trace elements EXCEPT for:
9. Question | Physics
A lens forms a real image of magnification ×3.Which one of the following statements is NOT
true?
10. Question | Mathematics
Which of the following is a prime number?
11. Question | Chemistry
All of these elements form allotropes EXCEPT for:
12. Question | Chemistry
All of these are fractions from crude oil EXCEPT for:
13. Question | Chemistry
The gas that relights a glowing splint is:
14. Question | Biology
Crossing two brown mice produced an offspring with a black coat.Which of the following statements MUST be correct?
Ⅰ Brown coat is dominant to black.
Ⅱ The brown mice were heterozygous for coat colour.
Ⅲ The black mouse was homozygous for coat colour.
Ⅳ Crossing a black mouse with another black mouse could produce a brown offspring.
15. Question | Chemistry
All of these reactions are exothermic EXCEPT for:
16. Question | English A
Instructions: Choose the one NEAREST in MEANING to the original sentence.
If students' efforts are rewarded they would be encouraged to work harder.
17. 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.
She was not feeling well at the beginning of the journey, and sitting at the front of the car made her feel worse.
18. Question | Physics
Dividing 9 × 10-2 by 3 × 10-8 gives:
19. Question | Physics
The following statements describe the molecules in a gas at around room temperature. Which
one is NOT true?
20. Question | Chemistry
At the cathode all of these can happen EXCEPT for: