Waec Chemistry Past Questions For Year 2016
Question 1
The following atoms of carbon 126C, 136C and 146C can be described as?
- A. Allotropes
- B. Isomers
- C. Isotopes
- D. Isotones
Question 2
Chemicals that are produced in small quantities and with very degree of purity are
- A. Bulk chemicals
- B. Fine chemicals
- C. Heavy chemicals
- D. Light chemicals
Question 3
The boiling points of HF, H2O and NH3 increase in the order of
- A. NH3
- B. H2O < HF
- C. HF < NH3 < H2O
- D. NH3 < HF < H2O
Question 4
When element \(_{20}\)Y combines with element \(_8\)Z, it forms
- A. A covalent compound , YZ is formed
- B. A covalent compound, ZY is formed
- C. An ionic compound, YZ is formed
- D. An ionic compound, ZY is formed
