Year :
2000
Title :
Chemistry
Exam :
WASSCE/WAEC MAY/JUNE
Paper 1 | Objectives
1 - 10 of 45 Questions
| # | Question | Ans |
|---|---|---|
| 1. |
The atoms of four elements are represented as 20Q, 16R, 10S and 8T Which of the elements would be unreactive? A. Q B. R C. S D. T |
C |
| 2. |
Chlorine atom forms CI by A. losing one electron B. Sharing one electron C. Donating lone pair of electrons D. Gaining one electron |
D |
| 3. |
An element Z has a combining power of 3. Which of the following formulae is correct of its compounds? A. ZSO3 B. Z3CI2 C. Z 2O 3 D. ZS3 |
C |
| 4. |
Electrovalent compounds are characterized by A. solubility in ethanol B. high molar mass C. high melting point D. strong oxidizing ability |
C |
| 5. |
The type of chemical bond that exists between potassium and oxygen in potassium oxide is A. ionic B. metallic C. covalent D. dative |
A |
| 6. |
Which of the following contains co-ordinate covalent bond? A. HCI B. CH 4 C. NH4 D. Na+CI |
C |
| 7. |
Elactrostatic force of attraction between sodium ion and halide ion is greatest in A. NaCI B. NaBr C. NaF D. NaI |
C |
| 8. |
Which of the following non-metals reacts most readily with metals? A. Nitrogen B. Chlorine C. Sulphur D. Carbon |
B |
| 9. |
A radioactive solid is best stored A. under paraffin oil B. under ultraviolet light C. in a cool, dark cupboard D. in a box lined with lead |
D |
| 10. |
What is the shape of a molecule of CCI4? A. Pyramidal B. Tetrahedral C. Trigonal planar D. Linear |
B |
| 1. |
The atoms of four elements are represented as 20Q, 16R, 10S and 8T Which of the elements would be unreactive? A. Q B. R C. S D. T |
C |
| 2. |
Chlorine atom forms CI by A. losing one electron B. Sharing one electron C. Donating lone pair of electrons D. Gaining one electron |
D |
| 3. |
An element Z has a combining power of 3. Which of the following formulae is correct of its compounds? A. ZSO3 B. Z3CI2 C. Z 2O 3 D. ZS3 |
C |
| 4. |
Electrovalent compounds are characterized by A. solubility in ethanol B. high molar mass C. high melting point D. strong oxidizing ability |
C |
| 5. |
The type of chemical bond that exists between potassium and oxygen in potassium oxide is A. ionic B. metallic C. covalent D. dative |
A |
| 6. |
Which of the following contains co-ordinate covalent bond? A. HCI B. CH 4 C. NH4 D. Na+CI |
C |
| 7. |
Elactrostatic force of attraction between sodium ion and halide ion is greatest in A. NaCI B. NaBr C. NaF D. NaI |
C |
| 8. |
Which of the following non-metals reacts most readily with metals? A. Nitrogen B. Chlorine C. Sulphur D. Carbon |
B |
| 9. |
A radioactive solid is best stored A. under paraffin oil B. under ultraviolet light C. in a cool, dark cupboard D. in a box lined with lead |
D |
| 10. |
What is the shape of a molecule of CCI4? A. Pyramidal B. Tetrahedral C. Trigonal planar D. Linear |
B |