IMSU Chemistry 2013/2014 Past Questions

Practice each question, then open it to see the full details.

An example of an element that can catenate is

A.bromine
B.nitrogen
C.chlorine
D.Carbon

The reaction of an alkene with hydrogen in the presence of a catalyst is

A.a substitution reaction
B.An oxidation reaction
C.a nucleophilic reaction
D.An addition reaction

The number of isomers formed by C₆H₁₄ is

A.4
B.5
C.2
D.3

The boiling of fat and aqueous caustic soda is referred to as

A.hydrolysis
B.Esterification
C.acidification
D.Saponification

The most important use of hydrogen is in the

A.manufacture of Ammonia
B.Manufacture of methyl alcohol
C.Manufacture of ethyl alcohol
D.hydrogenation of oils

Which of the following polymers is suitable for packaging and electrical insulation?

A.polyamide
B.polyethene
C.polycarbonate
D.polystyrene.

Hydrogen is readily released when dilute hydrochloric acid reacts with

A.Cu
B.Na
C.Au
D.Ag

The intermediate product formed when ethanol is progressively oxidized to ethanoic acid with potassium heptaoxodichromate (VI) is

A.butanol
B.ethanal
C.methanol
D.propanal

Which of the following chlorides would exhibit the least ionic character?

A.MgCl₂
B.CaCl₂
C.LiCl
D.AlCl₃

The property which makes alcohol soluble in water is the

A.boiling point
B.hydrogen bonding
C.ionic character
D.covalent nature.