Chemistry 2011 Waec Past Questions and Answers

Question 41 :

• WAEC 2011

The following substances are examples of addition polymer except

A. Nylon
B. Perspex
C. Polyethene
D. Polychloroethene

Question 42 :

• WAEC 2011

When bromine is added to ethene at room temperature, the compound formed is

A. 1,1 - dibromoethane
B. 1,2 - dibromoethene
C. 1,1 - dibromoethene
D. 1,2 - dibromoethane

Question 43 :

• WAEC 2011

The compound that makes palm wine taste sour after exposure to the air for few days is

A. Ethanol
B. Ethanoic acid
C. Methanol
D. Methanoic acid

Question 44 :

• WAEC 2011

The reagent that can be used to distinguish ethene from ethyne is

A. Ammoniacal silver trioxonitrate (V) solution
B. Benedict solution
C. Bromine water
D. Fehling's solution

Question 45 :

• WAEC 2011

The following substances are ores of metals except

A. Bauxite
B. Cuprite
C. Cassiterite
D. Graphite