Waec Chemistry Past Questions For Year 1995
Question 11
Alums are classified as
- A. simple salt
- B. acid salts
- C. anhydrous salts
- D. double salts
- E. basic salts
Question 12
Consider the reaction represented by the equation below: XO + YO → X + YO2 In the reaction, YO acts as
- A. an acidic oxide
- B. a basic oxide
- C. a reducing agent
- D. a weak base
- E. an oxidizing agent
Question 13
The following can be obtained directly from the destructive distillation of coal except
- A. ammoniacal liquor
- B. coke
- C. producer gas
- D. coal gas
- E. coal tar
Question 14
Which of the following is hydrocarbons is unsaturated?
- A. Ethane
- B. Benzene
- C. Propane
- D. 2 - methylbutane
- E. 2,2,4-trimethylpentane
Question 15
The following statements about graphite are correct except that it
- A. is used as a lubricant
- B. has a network structure
- C. contains mobile free electrons
- D. is good conductor
- E. is an allotrope of carbon
