Adding mineral water to anhydrous copper sulphate turns it:
2. Question | Chemistry
When zinc metal is added to copper sulphate solution the products are copper and zinc sulphate solution, so the material that has been displaced must be:
3. Question | Chemistry
The active catalyst in a car′s catalytic converter is:
4. Question | Biology
The length of an insect such as a grasshopper increases in steps.This is because:
5. Question | Physics
Which one of the following statements about light passing down an optical glass fibre is NOT
true?
6. Question | Biology
Which of the following substances contains the elements carbon, hydrogen, oxygen and
nitrogen?
Ⅰ DNA
Ⅱ carbohydrates
Ⅲ lipids
Ⅳ proteins
7. Question | Mathematics
A rectangular tank is 100 cm long, 30 cm
wide and 12 cm deep.
The volume of liquid it will hold is
8. Question | Information Technology
Automated directory assistance services utilize __________ technology for accepting user input.
9. Question | Social Studies
After Lloyd's father died, Lloyd invited his mother to live with his wife, his two sons and himself. The new family structure would be termed.
10. Question | Chemistry
The number of carbon atoms in the alcohol, pentanol, is:
11. Question | Biology
In a plant cell, turgor is caused by:
12. Question | Chemistry
Alcohol can be separated from beer using:
13. Question | Social Studies
Which is the MOST appropriate order of tasks for job seeker?
1. Write applications for the desired jobs.
2. Assess the suitability of the available jobs given his/her qualifications and interests.
3. Collect information about available job vacancies.
14. Question | Physics
A girl whose weight is 250 N walks up a slope 40 m long onto a platform 3 m high.
Her gain in gravitational potential energy is:
15. Question | Biology
Plant stems grow towards a light source.This is an example of:
16. Question | Mathematics
The equation of the line which passes through the point (0 , -3) and has a gradient of 1/2 is
17. Question | Social Studies
Which of the following is the MAIN reason for conflict in trade sometimes arising between CARICOM countries?
18. Question | Information Technology
Which of the following acronyms represents a computer bus primarily designed for the transfer of data between a computer system and a mass storage device?
19. Question | Mathematics
If x is an odd number, which of the following
is also odd?