Waec Chemistry Past Questions For Year 1992
Question 26
The energy required to remove the most loosely bound electron from an atom in the gaseous state is known as the
- A. bond energy
- B. ionization energy
- C. potential energy
- D. activation energy
- E. kinetic energy
Question 27
Which of the following compounds is not correct about the reaction of sodium material for the manufacture of plastics?
- A. Ethyne
- B. Ethane
- C. Monochloroethene
- D. Propene
- E. Butadiene
Question 28
The product of the reaction between propanoic acid and ethanol is
- A. prophlmethanoate
- B. ethylethanoate
- C. methylpropanoate
- D. propylethanoate
- E. ethylpropanoate
Question 29
Which of the following minerals contains flurine as one of its constituent elements?
- A. Cryolite
- B. Bauxite
- C. Potash alum
- D. Kaolin
- E. Mica
Question 30
Which of the following pH values is likely to be that of a slightly alkaline solution?
- A. 2
- B. 5
- C. 7
- D. 8
- E. 13
