Waec Chemistry 2015 Past Questions and Answers

Question 41:

• WAEC 2015

Which of the following reactions would take place when concentrated sodium hydroxide solution is added to palm oil?

A. Esterification
B. Neutralization
C. Polymerization
D. Saponification

Question 42:

• WAEC 2015

Starch could be converted to glucose by the process of

A. Condensation
B. Dehydration
C. Fermentation
D. Hydrolysis

Question 43:

• WAEC 2015

Which of the following compounds is a secondary alkanol?

A. Ethanol
B. 2-methylbutan-2-ol
C. 3-methylpentan-2-ol
D. Propan-1-ol

Question 44:

• WAEC 2015

Which of the following substances is a heavy chemical?

A. Ammonia
B. Barim Hydroxide
C. Hydrochloric acid
D. Tetraoxosulphate(VI)acid

Question 45:

• WAEC 2015

Which of the following process does not take place in domestic water treatment?

A. Chlorination
B. Flocculation
C. Neutralization
D. Sedimentation