Waec Chemistry Past Questions For Year 2000
Question 6
Which of the following non-metals reacts most readily with metals?
- A. Nitrogen
- B. Chlorine
- C. Sulphur
- D. Carbon
Question 7
Elactrostatic force of attraction between sodium ion and halide ion is greatest in
- A. NaCI
- B. NaBr
- C. NaF
- D. NaI
Question 8
Which of the following contains co-ordinate covalent bond?
- A. HCI
- B. CH 4
- C. NH4
- D. Na+CI
Question 9
The type of chemical bond that exists between potassium and oxygen in potassium oxide is
- A. ionic
- B. metallic
- C. covalent
- D. dative
Question 10
Which of the following gases is colourless, odourless and soluble in potassium hydroxide solution?
- A. NO 2
- B. SO 2
- C. NH 2
- D. CO3
