Organic Compounds - Jamb Chemistry Past Questions and Answers

Question 316:

• JAMB 2014

The process of converting starch to ethanol is

A. Cracking
B. Distillation
C. Fermentation
D. Oxidation

Question 317:

• JAMB 2014

The polymer used in making car rear lights is

A. Perspex
B. Bakeelite
C. Polystyrene
D. Polyacrylonitrile

Question 318:

• JAMB 2014

A hydrocarbon has an empirical formula CH and a vapour density of 39. Determine its molecular formula.
[C = 12, H = 1]

A. C₂H₆
B. C₃H₈
C. C₃H₄
D. C₆H₆

Question 319:

• JAMB 2014

Polystyrene is widely used as packaging materials for fragile objects during transportation because of its

A. Ligjtness
B. Low density
C. High density
D. High compressibility

Question 320:

• JAMB 2014

The process of converting linear alkanes to branched chain and cyclic hydrocarbons by heating in the presence of a catalyst to improve the quality of petrol is referred to as

A. Refining
B. Craching
C. Reforming
D. Blending