Paper 1 | Objectives | 45 Questions
WASSCE/WAEC MAY/JUNE
Year: 2000
Level: SHS
Time:
Type: Question Paper
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# | 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 |
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