To complete the reaction: acid + carbonate → salt + carbon dioxide + ?, we must add the word:
2. Question | Biology
Which one of the following is NOT an inherited disorder?
3. Question | Integrated Science
When we sweat, we lose heat because:
4. Question | Social Studies
Which of the following is a function of the Caribbean Development Bank?
5. Question | Physics
A force of 100 N starts to act on a body of mass 20 kg which is initially at rest. After 10 s its
velocity will be:
6. Question | Chemistry
The rate of reaction between marble and hydrochloric acid can be speeded up by using:
7. Question | Integrated Science
Three factors that increase the risk of coronary heart disease are:
8. Question | Biology
Vegetables like cauliflower, cabbage and broccoli have been bred from the original wild brassica
plant by:
9. Question | Chemistry
When zinc sulphide is heated in air the gas produced is:
10. Question | Mathematics
0.045 × 10-3 in scientific notation is
11. Question | Chemistry
A plastic that softens every time it is heated is said to be:
12. Question | Chemistry
At 20 ℃ all of the halogens are:
13. Question | English A
Instructions: Choose the one NEAREST IN MEANING to the original sentence.
The youth of the country need to organize themselves into cooperatives in order to support the prime minister's drive for self-sufficiency.
14. Question | Mathematics
15. Question | Biology
Which one of the following structures is responsible for controlling entry and exit of materials
into and out of the cell?
16. Question | Chemistry
The only common gas that turns moist red litmus paper blue is:
17. Question | Chemistry
Acid soils can be neutralised by adding:
18. Question | Physics
A spring is 100 mm long when unstretched. A 40 N load is hung from it, and its total length
increases to 120 mm. A different load on the spring causes it to become 150 mm long. If the
spring obeys Hooke′s Law, this second load is:
19. Question | Social Studies
A man and woman plan to start a family. Which of the following is likely to be LEAST important to them?