IMSU Chemistry 2012/2013 Past Questions

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

An acid is a substance which in solution produces

A.Salt
B.Oxygen
C.Hydroxonium ion
D.Hydrogen gas

Pipe-borne water is usually chlorinated in order to

A.Improve the taste of the water
B.Remove impurities
C.Kill harmful bacteria
D.Make the water odourless

What type of bonding do you expect elements of atomic number of 9 to form

A.Covalent
B.Hydrogen
C.Ionic
D.Dative

Compound which reacts with polar and non-polar substances is said to be

A.Hydrolytic
B.Hydrophobic
C.Amphipathic
D.Amphibiotic

The best description for water molecule

A.The solvent of life
B.A universal solvent
C.A unique solvent
D.A potent solvent

A compound which can react both as an acid and a base is said to be

A.Hydrophilic
B.Amphoprotic
C.Amphoteric
D.Amphipatic

One of these compound reacts both as an acid and a base

A.Hexane
B.Acetone
C.Water
D.Xylene

Can be used to manufacture fertilizer

A.Sulphur
B.Phosphate
C.Manure
D.Nickel

Calculate the molar mass of CuSO₄.5H₂O

A.250
B.36
C.64
D.98

What is the percentage by mass of copper in copper (I) oxide? Given that O=16, Copper (I) Oxide = Cu₂O

A.88.9%
B.80.0%
C.66.7%
D.20.0%

A solution of pH 7 is

A.Acidic
B.Neutral
C.Basic
D.Saturated

The existence of two or more forms of the same clement in the same physical state is known as

A.Allotropy
B.Resonance
C.hybridization
D.Isotopy

Which of the following exhibits resonance?

A.Benzene
B.Butane
C.Pentane
D.Hexane