Waec Chemistry Past Questions For Year 2014
Question 1
The crystal layers in graphite are held together by
- A. covalent bond
- B. electrostatic forces
- C. ionic bond
- D. van der Waal's forces
Question 2
The shape of CH4 is
- A. linear
- B. planar
- C. pyramidal
- D. tetrahedral
Question 3
The electron configuration of \({Fe}_26 {^3+}\) is?
- A. [Ar]4s23d6
- B. [AR]4s23d3
- C. [AR]4s13d4
- D. [AR]4s03d5
Question 4
Which of the following processes is used in food preservation in an industry?
- A. Carbon dating
- B. Ieeadiation of gamma rays
- C. Nuclear fission
- D. Nuclear fusion
Question 5
Which of the following arrangements is in decreasing order of atomic radius?
- A. Li>Be>C>
- B. Li>B>Be>C
- C. Li>Be>B>C
- D. C>B>Be>Li
