Waec Chemistry Past Questions For Year 1999
Question 41
Alkanoates are produced from alkanols by
- A. fermentation
- B. saponification
- C. oxidation
- D. esterification
Question 42
The greenhouse effect is a climatic condition associated with the presence of excess
- A. carbon (IV) oxide
- B. hydrogen sulphide
- C. nitrogen (ll) oxide
- D. ammonia gas
