Waec Chemistry 2002 Past Questions and Answers

Question 41:

• WAEC 2002

Which of the following processes takes place during the production of margarine from vegetable oils?

A. Esterification
B. Hydrolysis
C. Hydrogenation
D. Saponification

Question 42:

• WAEC 2002

Which of the following compounds can be represented by the molecular formula C₂H₆O?

A. Propanal
B. Ethanol
C. Methanoic acid
D. Glucose

Question 43:

• WAEC 2002

When alkynes are hydrogenated completely they produce compounds with the general molecular formula

A. C_nH_n
B. C_nH_2n
C. C_nH_2n+2
D. C_nH_2n-2

Question 44:

• WAEC 2002

The following compounds are hydrocarbons except

A. Methylpropanoate
B. 2-methylbutane
C. Benzene
D. Cyclohexane

Question 45:

• WAEC 2002

The reaction between ethene and chlorine to form 1, 2-dichloroethane is

A. Oxidation
B. Polymerization
C. Addition
D. Substitution