Jamb Chemistry 2010 Past Questions and Answers

Question 46:

• JAMB 2010

The haloalkanes used in dry-cleaning industries are

A. Trichloromethane and tetrachloromethane
B. Chloroethene and dichloroethene
C. Trichloroethene and tetrachloroethene
D. Chloroethane and dichloroethene

Question 47:

• JAMB 2010

Two hydrocarbons X and Y were treated with bromine water. X decolorised the solution and Y did not not. Which class of compound does Y belong?

A. Benzene
B. Alkynes
C. Alkenes
D. Alkanes

Question 48:

• JAMB 2010

The compound that is used as an anaesthetic is

A. CCl₄
B. CH Cl₃
C. CH₂Cl₂
D. CH₃Cl

Question 49:

• JAMB 2010

In the diagram above, the purpose of the asbestos to

A. Absorb impurities
B. Catalyze the reaction
C. Solidify the gas
D. Dry the gas